Job placements hadoop training

Hadoop Training in Chennai with Placement: ThinkIT systems in Chennai offers the best preparing in Chennai. The preparation will be on the hands of very much experienced resources and having over 8 years of working background Advantages of ThinkIT: • One year specialized backing • Free demo classes • Practical situated preparing • Placement help • Unlimited lab Access • Experienced Faculties • Limited no of understudies for each clump Hadoop: Hadoop is an open-source structure that allows to store and system enormous data in an overlooked on circumstance transversely over get-togethers of PCs using direct programming models. It is depended upon to scale up from single servers to a liberal number of machines, each offering neighborhood get prepared and stockpiling. Course Syllabus: • Introduction to Hadoop • Hadoop Distributed System • Map Reduce For further details visit: http://www.thinkittraining.in/hadoop For further details contact us: Contact person- lakshmi Contact number-9500187290 Mail- jagan@thinkittraining.in Venue- venkatarathinam nagar, Adyar Tags: Hadoop training in Chennai| Hadoop training in Chennai with placements | Hadoop training institute training in Chennai

HADOOP Training in Hyderabad @Sadguru Technologies Course Objective Summary During this course, you will learn: • Introduction to Big Data and Analytics • Introduction to Hadoop • Hadoop ecosystem - Concepts • Hadoop Map-reduce concepts and features • Developing the map-reduce Applications • Pig concepts • Hive concepts • Sqoop concepts • Flume Concepts • Oozie workflow concepts • Impala Concepts • Hue Concepts • HBASE Concepts • ZooKeeper Concepts • Real Life Use Cases Reporting Tool • Tableau  1. Virtualbox/VM Ware • Basics • Installations • Backups • Snapshots 2. Linux • Basics • Installations • Commands 3. Hadoop • Why Hadoop? • Scaling • Distributed Framework • Hadoop v/s RDBMS • Brief history of hadoop 4. Setup hadoop • Pseudo mode • Cluster mode • Ipv6 • Ssh • Installation of java, hadoop • Configurations of hadoop • Hadoop Processes ( NN, SNN, JT, DN, TT) • Temporary directory • UI • Common errors when running hadoop cluster, solutions 5. HDFS- Hadoop distributed File System • HDFS Design and Architecture • HDFS Concepts • Interacting HDFS using command line • Interacting HDFS using Java APIs • Dataflow • Blocks • Replica 6. Hadoop Processes • Name node • Secondary name node • Job tracker • Task tracker • Data node 7. Map Reduce • Developing Map Reduce Application • Phases in Map Reduce Framework • Map Reduce Input and Output Formats • Advanced Concepts • Sample Applications • Combiner 8. Joining datasets in Mapreduce jobs • Map-side join • Reduce-Side join 9. Map reduce – customization • Custom Input format class • Hash Partitioner • Custom Partitioner • Sorting techniques • Custom Output format class 10. Hadoop Programming Languages :- I.HIVE • Introduction • Installation and Configuration • Interacting HDFS using HIVE • Map Reduce Programs through HIVE • HIVE Commands • Loading, Filtering, Grouping…. • Data types, Operators….. • Joins, Groups…. • Sample programs in

Online and Classroom based training handled by experienced professional trainer.Our Hadoop training in Chennai is the space for people to build knowledge skills and opportunity to work on real time projects. Our Hadoop tutorial Class give space for the learners to learn in smartest way and help them to receive more knowledge in Hadoop. Large number of information is concurrently used by hadoop by using low cost computers for gaining better results.The hadoop usage is to store information and execute the applications on hardware clusters.Hadoop have more capability and enormous amount of information storage and ability to handle more number of tasks which has given. Hadoop is ever green growing industry and there is lot of competitors in Hadoop field among Hadoop Learners.This is the right place for the people to undergone training on Big data to boost their career. We are the leading Hadoop training in Chennai where we offer best big data hadoop training at Affordable price. Free Professional Preparation training offered and help them to build the reume.This will give added benefit for getting job in organizations.Learn how to attract the companies by giving the data in your professional resume.Here at Peridot,provided training for how to handle the difficult interview challenges which has conducted by top level companies. Hadoop Modules Hadoop Architecture Hadoop Admin Hadoop Developer Huge Offer Price on Hadoop by taking three modules as Combo pack.If you need to know more details about hadoop training in Chennai course,then give me a call to student counsellor’s 9566293201 or you can visit our website here: www.peridotsystems.in/hadoop-training-in-chennai.php

​ HADOOP Training in Hyderabad @Sadguru Technologies Course Objective Summary During this course, you will learn: Introduction to Big Data and Analytics • Introduction to Hadoop • Hadoop ecosystem - Concepts • Hadoop Map-reduce concepts and features • Developing the map-reduce Applications • Pig concepts • Hive concepts • Sqoop concepts • Flume Concepts • Oozie workflow concepts • Impala Concepts • Hue Concepts • HBASE Concepts • ZooKeeper Concepts • Real Life Use Cases Reporting Tool Tableau 1. Virtualbox/VM Ware Basics • Installations • Backups • Snapshots 2. Linux Basics • Installations • Commands 3. Hadoop Why Hadoop? • Scaling • Distributed Framework • Hadoop v/s RDBMS • Brief history of hadoop 4. Setup hadoop Pseudo mode • Cluster mode • Ipv6 • Ssh • Installation of java, hadoop • Configurations of hadoop • Hadoop Processes ( NN, SNN, JT, DN, TT) • Temporary directory • UI • Common errors when running hadoop cluster, solutions 5. HDFS- Hadoop distributed File System HDFS Design and Architecture • HDFS Concepts • Interacting HDFS using command line • Interacting HDFS using Java APIs • Dataflow • Blocks • Replica 6. Hadoop Processes Name node • Secondary name node • Job tracker.,

HADOOP DEVELOPER TRAINING IN CHENNAI, PERIDOT SYSTEMS, 100%JOB Peridot systems provide both offline and online mode of training. To join please contact ruban(9952010141).We will provide you free demo classes. Trainers are MNC working professionals. We will give you 100% job assurance Pre-requisites: To learn hadoop developer, core java and good analytical skills are needed. We provide a complimentary Course “Java Essentials for Hadoop” to all learners to brush up java skills needed to write Map reduce Programs. Target learners: If you are interested in Architecture & Fundamentals, Map reduces Programming and real time Analytics then you can be a Hadoop developer. Content: Introduction Hadoop Motivation Basic concepts and HDFS Map Reduce Hadoop cluster and ecosystems Writing a Map Reduce Program using Java Writing a Map Reduce Program Using Streaming Unit Testing Map Reduce Programs Unit Testing Map Reduce Programs Practical Development Tips and Techniques Practical Development Tips and Techniques Practical Development Tips and Techniques Common Map Reduce Algorithms Joining Data Sets in Map Reduce Jobs Integrating Hadoop into the Enterprise Workflow An Introduction to Hive, Imapala, and Pig An Introduction to Oozie Conclusion For More Details, Visit Our Website: www.peridotsystems.in Venue: KamatchiKrupaApts, No: 84/8, Ground Floor, Venkatarathinam main street, Venkatarathinam Nagar, LB Road, Adyar, Chennai, Tamil Nadu – 600020 Selvakumar – 9952010141

i FOCUS IT SOLUTIONS is one of the leading Software IT Training with Placement Center in Hyderabad. HADOOP , QLIKVIEW,ADF,ODI,IBM Cast Iron,SALESFORCE CRM,OBIEE 11g,SAP BO,SAP FICO,MS-BI,TERADATA,ABINITIO, INFORMATICA,MQ-SERIES,IPHONE,ANDROID,SAO,OAF,other technologies. We strive to help develop the skills and knowledge needed to compete in the current employment market and adapt to future changes. At i FOCUS, each aspiring person is individually, trained to the highest global standards, then gains professional experience in quality local and international standards. We provide trainings for Class room, online & corporate. Our Trainers profile - Real Time Faculties well experienced with certified 100% Job Assistance after the course .

HADOOP Training in Hyderabad @Sadguru Technologies Course Objective Summary During this course, you will learn: • Introduction to Big Data and Analytics • Introduction to Hadoop • Hadoop ecosystem - Concepts • Hadoop Map-reduce concepts and features • Developing the map-reduce Applications • Pig concepts • Hive concepts • Sqoop concepts • Flume Concepts • Oozie workflow concepts • Impala Concepts • Hue Concepts • HBASE Concepts • ZooKeeper Concepts • Real Life Use Cases Reporting Tool • Tableau 1. Virtualbox/VM Ware • Basics • Installations • Backups • Snapshots 2. Linux • Basics • Installations • Commands 3. Hadoop • Why Hadoop? • Scaling • Distributed Framework • Hadoop v/s RDBMS • Brief history of hadoop 4. Setup hadoop • Pseudo mode • Cluster mode • Ipv6 • Ssh • Installation of java, hadoop • Configurations of hadoop • Hadoop Processes ( NN, SNN, JT, DN, TT) • Temporary directory • UI • Common errors when running hadoop cluster, solutions 5. HDFS- Hadoop distributed File System • HDFS Design and Architecture • HDFS Concepts • Interacting HDFS using command line • Interacting HDFS using Java APIs • Dataflow • Blocks • Replica 6. Hadoop Processes • Name node • Secondary name node • Job tracker • Task tracker • Data node 7. Map Reduce • Developing Map Reduce Application • Phases in Map Reduce Framework • Map Reduce Input and Output Formats • Advanced Concepts • Sample Applications • Combiner 8. Joining datasets in Mapreduce jobs • Map-side join • Reduce-Side join 9. Map reduce – customization • Custom Input format class • Hash Partitioner • Custom Partitioner • Sorting techniques • Custom Output format class 10. Hadoop Programming Languages :- I.HIVE • Introduction • Installation and Configuration • Interacting HDFS using HIVE • Map Reduce Programs through HIVE • HIVE Commands • Loading, Filtering, Grouping…. • Data types, Operators….. • Joins, Groups…. • Sample programs in HIVE II. PIG • Basics • Installation and Configurations • Commands….

HADOOP Training in Hyderabad @Sadguru Technologies Course Objective Summary During this course, you will learn: • Introduction to Big Data and Analytics • Introduction to Hadoop • Hadoop ecosystem - Concepts • Hadoop Map-reduce concepts and features • Developing the map-reduce Applications • Pig concepts • Hive concepts • Sqoop concepts • Flume Concepts • Oozie workflow concepts • Impala Concepts • Hue Concepts • HBASE Concepts • ZooKeeper Concepts • Real Life Use Cases Reporting Tool • Tableau 1. Virtualbox/VM Ware • Basics • Installations • Backups • Snapshots 2. Linux • Basics • Installations • Commands 3. Hadoop • Why Hadoop? • Scaling • Distributed Framework • Hadoop v/s RDBMS • Brief history of hadoop 4. Setup hadoop • Pseudo mode • Cluster mode • Ipv6 • Ssh • Installation of java, hadoop • Configurations of hadoop • Hadoop Processes ( NN, SNN, JT, DN, TT) • Temporary directory • UI • Common errors when running hadoop cluster, solutions 5. HDFS- Hadoop distributed File System • HDFS Design and Architecture • HDFS Concepts • Interacting HDFS using command line • Interacting HDFS using Java APIs • Dataflow • Blocks • Replica 6. Hadoop Processes • Name node • Secondary name node • Job tracker • Task tracker

HADOOP Training in Hyderabad @Sadguru Technologies Course Objective Summary During this course, you will learn: • Introduction to Big Data and Analytics • Introduction to Hadoop • Hadoop ecosystem - Concepts • Hadoop Map-reduce concepts and features • Developing the map-reduce Applications • Pig concepts • Hive concepts • Sqoop concepts • Flume Concepts • Oozie workflow concepts • Impala Concepts • Hue Concepts • HBASE Concepts • ZooKeeper Concepts • Real Life Use Cases Reporting Tool • Tableau 1. Virtualbox/VM Ware • Basics • Installations • Backups • Snapshots 2. Linux • Basics • Installations • Commands 3. Hadoop • Why Hadoop? • Scaling • Distributed Framework • Hadoop v/s RDBMS • Brief history of hadoop 4. Setup hadoop • Pseudo mode • Cluster mode • Ipv6 • Ssh • Installation of java, hadoop • Configurations of hadoop • Hadoop Processes ( NN, SNN, JT, DN, TT) • Temporary directory • UI • Common errors when running hadoop cluster, solutions 5. HDFS- Hadoop distributed File System • HDFS Design and Architecture • HDFS Concepts • Interacting HDFS using command line • Interacting HDFS using Java APIs • Dataflow • Blocks • Replica 6. Hadoop Processes • Name node • Secondary name node • Job tracker • Task tracker • Data node 7. Map Reduce • Developing Map Reduce Application • Phases in Map Reduce Framework • Map Reduce Input and Output Formats • Advanced Concepts • Sample Applications • Combiner 8. Joining datasets in Mapreduce jobs • Map-side join • Reduce-Side join 9. Map reduce – customization • Custom Input format class • Hash Partitioner • Custom Partitioner • Sorting techniques • Custom

HADOOP Training in Hyderabad @Sadguru Technologies Course Objective Summary During this course, you will learn: • Introduction to Big Data and Analytics • Introduction to Hadoop • Hadoop ecosystem - Concepts • Hadoop Map-reduce concepts and features • Developing the map-reduce Applications • Pig concepts • Hive concepts • Sqoop concepts • Flume Concepts • Oozie workflow concepts • Impala Concepts • Hue Concepts • HBASE Concepts • ZooKeeper Concepts • Real Life Use Cases Reporting Tool • Tableau 1. Virtualbox/VM Ware • Basics • Installations • Backups • Snapshots 2. Linux • Basics • Installations • Commands 3. Hadoop • Why Hadoop? • Scaling • Distributed Framework • Hadoop v/s RDBMS • Brief history of hadoop 4. Setup hadoop • Pseudo mode • Cluster mode • Ipv6 • Ssh • Installation of java, hadoop • Configurations of hadoop • Hadoop Processes ( NN, SNN, JT, DN, TT) • Temporary directory • UI • Common errors when running hadoop cluster, solutions 5. HDFS- Hadoop distributed File System • HDFS Design and Architecture • HDFS Concepts • Interacting HDFS using command line • Interacting HDFS using Java APIs • Dataflow • Blocks • Replica 6. Hadoop Processes • Name node • Secondary name node • Job tracker • Task tracker • Data node 7. Map Reduce • Developing Map Reduce Application • Phases in Map Reduce Framework • Map Reduce Input and Output Formats • Advanced Concepts • Sample Applications • Combiner 8. Joining datasets in Mapreduce jobs • Map-side join • Reduce-Side join and...

Dear IT Students, Cegonsoft, Coimbatore/Bangalore - Pioneers in software training programs, which has quality training and infrastructure up to the mark of the IT industry requirements. The technologies are picked after a thorough research and analysis based upon the existing and prospective IT industry in mind and Training Cum Placement Assurance and Assistance. SOFTWARE TESTING Testing is a process of identifying defects where a defect is any variance between actual and expected results. Find errors and ensure that all the functionalities are implemented and working as per user requirement. Benefits of SOFTWARE TESTING in Cegonsoft • Not much programming codes • Easy to Learn • More practical classes • Evergreen Placements • Global placements with Attractive salary packages • Placements in both IT and Production Companies. Any graduates can learn SOFTWARE TESTING Cegonsoft provides you the distinction is to a large extent, subjective. Here are a few characteristics often noted as descriptive of SOFTWARE TESTING: • Latest Versions of Automated tools are handled here • Selenium IDE, RC, Web driver and Selenium Grid • Winrunner,Load Runner Latest Version • Quality Center with Detailed Notes • Manual Testing Experience with Real Time project • Focus is laid upon the advanced concepts of QTP • ISTQB (International Software Testing Qualifications Board) certified trainers • Real time Projects using Automation Tools • Exhilarating placements immediately after training • Crash Course (10 days/15 days) • Assistance in ISTQB Certification • Enthusiastic and energetic Software development team to absorb you based on your performance • Pleasing infrastructure and comforting ambience • Classes at your convenience PLACEMENTS: Cegonsoft has made an extensive research to learn the expectations of IT industry and our syllabuses are framed with that on grounds so as to make the entry or re-entry of any candidate a cakewalk. IT industry is vast, but the psychology is simple. In order to make the HR consultancy more effective, Cegonsoft has a Placement Cell in all its offices. Every Placement Cell constitutes a team of sensible and prudent team of HR specialists headed by an expert Placement Co-ordinator. Why Cegonsoft? CEGONSOFT PVT LTD, Coimbatore has quality training and infrastructure up to the mark of the IT industry requirements. Cegonsoft is a way proud to mention that the Job oriented IT Training is inclusive of platforms that have wider scope in the prevailing and forthcoming IT Job Market. These platforms are picked after a thorough research and analysis based upon the existing and prospective IT industry in mind and Training Cum Placement Assurance. 12 Years of Expertise in Training & Placement Quality Training with Good Infrastructure Placement Assistance & Assurance for Job seekers Industry based Syllabus (IT companies) Experienced Technical Faculty/Trainers Shunmathi.S Cegonsoft Pvt.Ltd, #108, Nehru Street, Near Senthil kumaran Theatre, Ramnagar, Coimbatore-641 009 Tele: 0422-4206205 Mob: 8681968889 www.cegonsoft.co.in

Dear IT Students, Cegonsoft, Coimbatore/Bangalore - Pioneers in software training programs, which has quality training and infrastructure up to the mark of the IT industry requirements. The technologies are picked after a thorough research and analysis based upon the existing and prospective IT industry in mind and Training Cum Placement Assurance and Assistance. SOFTWARE TESTING Testing is a process of identifying defects where a defect is any variance between actual and expected results. Find errors and ensure that all the functionalities are implemented and working as per user requirement. Benefits of SOFTWARE TESTING in Cegonsoft • Not much programming codes • Easy to Learn • More practical classes • Evergreen Placements • Global placements with Attractive salary packages • Placements in both IT and Production Companies. • Any graduates can learn SOFTWARE TESTING Cegonsoft provides you the distinction is to a large extent, subjective. Here are a few characteristics often noted as descriptive of SOFTWARE TESTING: • Latest Versions of Automated tools are handled here • Selenium IDE, RC, Web driver and Selenium Grid • Winrunner,Load Runner Latest Version • Quality Center with Detailed Notes • Manual Testing Experience with Real Time project • Focus is laid upon the advanced concepts of QTP • ISTQB (International Software Testing Qualifications Board) certified trainers • Real time Projects using Automation Tools • Exhilarating placements immediately after training • Crash Course (10 days/15 days) • Assistance in ISTQB Certification • Enthusiastic and energetic Software development team to absorb you based on your performance • Pleasing infrastructure and comforting ambience • Classes at your convenience PLACEMENTS: Cegonsoft has made an extensive research to learn the expectations of IT industry and our syllabuses are framed with that on grounds so as to make the entry or re-entry of any candidate a cakewalk. IT industry is vast, but the psychology is simple. In order to make the HR consultancy more effective, Cegonsoft has a Placement Cell in all its offices. Every Placement Cell constitutes a team of sensible and prudent team of HR specialists headed by an expert Placement Co-ordinator. Why Cegonsoft? CEGONSOFT PVT LTD, Coimbatore has quality training and infrastructure up to the mark of the IT industry requirements. Cegonsoft is a way proud to mention that the Job oriented IT Training is inclusive of platforms that have wider scope in the prevailing and forthcoming IT Job Market. These platforms are picked after a thorough research and analysis based upon the existing and prospective IT industry in mind and Training Cum Placement Assurance. 12 Years of Expertise in Training & Placement Quality Training with Good Infrastructure Placement Assistance & Assurance for Job seekers Industry based Syllabus (IT companies), Experienced Technical Faculty/Trainers Shunmathi.S Cegonsoft Pvt.Ltd, #108, Nehru Street, Near Senthil kumaran Theatre, Ramnagar, Coimbatore-641 009 Tele: 0422-4206205 Mob: 8681968889 www.cegonsoft.co.in

Dear IT Students, Cegonsoft, Coimbatore/Bangalore - Pioneers in software training programs, which has quality training and infrastructure up to the mark of the IT industry requirements. The technologies are picked after a thorough research and analysis based upon the existing and prospective IT industry in mind and Training Cum Placement Assurance and Assistance. SOFTWARE TESTING: Testing is a process of identifying defects where a defect is any variance between actual and expected results. Find errors and ensure that all the functionalities are implemented and working as per user requirement. Benefits of SOFTWARE TESTING in Cegonsoft • Not much programming codes • Easy to Learn • More practical classes • Evergreen Placements • Global placements with Attractive salary packages • Placements in both IT and Production Companies. • Any graduates can learn SOFTWARE TESTING Cegonsoft provides you the distinction is to a large extent, subjective. Here are a few characteristics often noted as descriptive of SOFTWARE TESTING: • Latest Versions of Automated tools are handled here • Selenium IDE, RC, Web driver and Selenium Grid • Winrunner,Load Runner Latest Version • Quality Center with Detailed Notes • Manual Testing Experience with Real Time project • Focus is laid upon the advanced concepts of QTP • ISTQB (International Software Testing Qualifications Board) certified trainers • Real time Projects using Automation Tools • Exhilarating placements immediately after training • Crash Course (10 days/15 days) • Assistance in ISTQB Certification • Enthusiastic and energetic Software development team to absorb you based on your performance • Pleasing infrastructure and comforting ambience • Classes at your convenience PLACEMENTS: Cegonsoft has made an extensive research to learn the expectations of IT industry and our syllabuses are framed with that on grounds so as to make the entry or re-entry of any candidate a cakewalk. IT industry is vast, but the psychology is simple. In order to make the HR consultancy more effective, Cegonsoft has a Placement Cell in all its offices. Every Placement Cell constitutes a team of sensible and prudent team of HR specialists headed by an expert Placement Co-ordinator. Why Cegonsoft? CEGONSOFT PVT LTD, Coimbatore has quality training and infrastructure up to the mark of the IT industry requirements. Cegonsoft is a way proud to mention that the Job oriented IT Training is inclusive of platforms that have wider scope in the prevailing and forthcoming IT Job Market. These platforms are picked after a thorough research and analysis based upon the existing and prospective IT industry in mind and Training Cum Placement Assurance. 12 Years of Expertise in Training & Placement Quality Training with Good Infrastructure Placement Assistance & Assurance for Job seekers Industry based Syllabus (IT companies) Experienced Technical Faculty/Trainers Shunmathi.S Cegonsoft Pvt.Ltd, #108, Nehru Street, Near Senthil kumaran Theatre, Ramnagar, Coimbatore-641 009 Tele: 0422-4206205 Mob: 8681968889 www.cegonsoft.co.in

We are the leading Hadoop training in Chennai where we offer best enormous information hadoop training at conceivable cost.Hadoop instructional activity Practical Class give space for the understudies to learn in most splendid way and offer them to obtain learning in Hadoop. The use of hadoop some help with being to store data and run the applications on gear clusters.Large number of data is at the same time took care of by hadoop by using ease PCs for better results.Hadoop have more capacity to store gigantic measure of data and ability to manage more number of errands. This is the ideal spot for the all inclusive community to get Big data training to step up your career.Hadoop is rapidly creating industry and also there is a piece of competition amidst Hadoop understudies. Hadoop job openings in and around chennai are ascending for IT Peoples.Huge responsibility of IT organization will be the gigantic data organization business segment and it is accounting 82.9% of revenues.Real time training is suited hadoop which makes understudies to execute consistent exercises toward the end of the hadoop course in chennai.We offered various technique for learning logic and technical support given to more than 1 year.Job orchestrated training outfitted close by course and group size is limited where you learn in an instinctive way. Hadoop Course in Chennai-Modules Hadoop Architecture Hadoop Developer Hadoop Administration On the off chance that you need to know more bits of knowledge about hadoop training in Chennai course,then make call to 9566293201 or visit our site http://www.peridotsystems.in/

Best Hadoop Training institute in Chennai Adyar-9566182378 Peridot Systems provides the very good training on Hadoop . Peridot is proud to introduce job oriented IT Training courses with globally accredited certification on all platforms that have wider scope in the existing IT Job Market. We provide high quality of HADOOP training in Chennai based on current business standards. Highlights of Peridot Systems: • Real Time Training • Free Demo Classes • Live Project Exposure of Fortune companies. • Training by Subject Matter experts from CMM Level 5 companies • Running in ONE major financial cities of India – Chennai (ADYAR) Hadoop: Hadoop is a business tool in cloud computing software vendor. Hadoop supports all dashboards, scorecards, ad hoc query, reports and others. We support all lab facility with the requirements of Hadoop. We provide course materials and software needed for Hadoop at the beginning of the class. For further details about the Hadoop feel free to contact us Contact person: Sinduja Land line: 044-45501165(Sinduja) Mobile number- 9566182378 Venue- venkatarathinam nagar, Adyar Tags: best Hadoop course in Chennai || Best Hadoop training institute in Chennai || Best Hadoop training in Chennai