Core Java Training

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Java Training in Chennai – Credo Systemz being accredited as the Best Core Java Training Institute in Chennai, we offer Real-time Project-oriented Java Training with detailed course topics briefing, practical training of real-time project scenarios, and ensure our sessions provide adequate knowledge to our candidate to cope with the industrial needs for both Fresher & experienced professionals.

Our Core Java Concepts training involves the training program to cover from the subject basics to advanced level topics that are designed to suit from a novice to an expert level candidate.

We are the leading Java Training Institute with 100% placement opportunities created for our trained candidates and placed in the Top MNCs in the country (Placed Candidates List).

Credo systemz provide Job oriented Java Training & the unique Course plan drafted by our expert trainers, for the candidates to expertise in the programming language. Download our Core Java course content PDF for free.

Many software giants such as Linkedin, Amazon, eBay are programmed in Java. Join the Institute which ranked No.1 in Top 10 Java Training Institutes in Chennai. 

About Java Course

What is Core Java?

Core Java is the basics of Java language, and is mandatory base to learn & equip you with the advanced topics. This details on the Java fundamentals, such as Applet, Swings, JDBC, etc., and provides you knowledge to develop Standalone applications or System Software applications.

Key Features

Training from
Industrial Experts


100% Placement

Expert Support

24 x 7
Expert Support

for Course



Section 1: Introduction

  • Introduction about Programming Language Paradigms
  • Why Java?
  • Flavors of Java.
  • Java Designing Goal.
  • Role of Java Programmer in Industry
  • Features of Java Language.
  • Installing Java
  • Difference between JDK,JRE and JVM
  • JVM –The heart of Java .
  • Java Architecture
  • Java’s Magic Bytecode.

Section 2: java sample program

  • Java Program Development.
  • Java Source File Structure.
  • Compilation & Execution
  • Rectifying common errors
  • Lexical Tokens
  • Identifiers
  • Keywords
  • Literals and Comments
  • Command Line Arguments

Real-time Practicals:
Print Hai! in the first line and print Hello how are you !! in the second line using single print statement.
Get the Input 10 25 a 1.2 Rama via command line arguments and print the values one by one.

Section 3: Programming fundamentals

  • Data types
  • Difference between Primitive & Non Primitive Datatypes
  • Variable Declaration & Initialization
  • Type Casting
  • Operators and its types

Real-time Practicals:
Swap the values with using temporary variable and without using temporary variable.
Find the maximum of two numbers and three numbers using ternary operator.

Section 4: Control Structure and Looping statements

  • IF conditions
  • IF-ELSE conditions
  • Nested IF conditions
  • ELSE-IF Ladder conditions
  • SWITCH-CASE statements
  • The “break” and “continue” keywords
  • “FOR” Loop
  • Different forms of FOR Loop
  • “WHILE” Loop
  • “DO-WHILE” Loop
  • Nested Loops

Real-time Practicals:
Find the maximum of 2 numbers and 3 numbers without using ternary operator.
Print the factorial of 5!


  • What is OOPS?
  • Necessity and Advantage of OOPS
  • OOPS Designs with real-time examples.
  • What is mean by class and object?
  • Relation between a Class and an Object
  • How to create class and object
  • User-defined / Custom Datatypes

Real-time Practicals:
Give the real time example for Object and describe its properties and functionalities.
Analyse the OOPs Concepts and give real-time examples of all OOPS concepts in your own thinking.


  • Components of a Class
  • Types of Variables and its uses.
  • Method Advantages, Categories and Types
  • Constructor advantages and its types
  • Ways to initialize the Object
  • “this” keyword
  • Static Block & Instance Block
  • Nested classes

Real-time Practicals:
Get the real time examples for static variables, final variables and instance variables in your own thinking.
Create the Class Student with School name – “Gandhi School”, roll_no and name. Create the objects and assign the roll_no and name values using the constructor and display the student details using methods.


  • Inheritance and its advantages
  • The “extends” keyword
  • Types of Inheritance
  • Single Inheritance
  • Multilevel Inheritance
  • Multiple Inheritance
  • Hierarchical Inheritance
  • Hybrid Inheritance
  • Difference between IS-A and HAS-A relationship
  • Use of “super” keyword and forms of “super” keyword

Real-time Practicals:
Try to get the real time scenarios for all kinds of inheritance in your own thinking.
In College, We are having 3 kinds of Teachers. For Ex: English Teacher, Tamil Teacher, Maths Teacher. These Teachers having different main subjects but their designation is ‘Teacher’, college is ‘Nehru College’ and functionality is ‘teaching’. Achieve this using Inheritance and display the details of 3 teachers.


  • Abstraction and its advantages
  • Abstract Class and Abstract Methods
  • The “abstract” keyword
  • Implementation of Abstract Methods
  • Uses of Abstract Classes
  • Interface and its advantages
  • ‘implements’ keyword
  • Achieve Multiple Inheritance with Interface
  • Difference between Abstract Class and Interface

Real-time Practicals:
1.Eating and traveling functionalities are mandatory for all Animals. But food and traveling paths are different. Display the food and traveling paths for different animals. (use interface)
2.All the banks should have a rate of interest. But it’s varied from bank to bank. Display the rate of interest for all banks. (use interface)


  • Polymorphism and its advantages
  • Types of Polymorphism
  • Types of Binding
  • Method Overloading and its uses.
  • Conditions of Overloading
  • Method Overriding
  • Scenario of Overriding
  • Difference between Overloading and Overriding
  • About Class Casting
  • About Design Patterns.

Real-time Practicals:
1.Print the String, Integer, Float values using Method Overloading.
2.Create Superclass “Human” with eating functionality. Create subclasses Young Boy, Women, Baby etc., and Override the eating functionality. Print the favorite food for humans.


  • What is package and its advantages
  • Types of packages
  • Static Import
  • Access Modifiers
  • Encapsulation

Real-time Practicals:
1. We are having Class AOne. In this class create static variables and static methods. And try to access these variables and methods in Package B classes without using class name and creating an object.
2. Create the class Account with account number and account balance as private members. Set the Account number and deposit the amount. Show the Account Balance. Write the program to achieve this by using Data Encapsulation.


  • What is Array and its advantages
  • Types of Array
  • Jagged Array
  • String, String Buffer, String Builder

Real-time Practicals:
Matrix Addition, Multiplication, Transpose
Count the number of vowels, consonants, special characters in the following String: “-God is Great!-“


Interview related logical programs:

  • Rotate the Array Elements
    Input – {1,2,3,4,5}
    Output – 5 1 2 3 4
    4 5 1 2 3
    3 4 5 1 2
    2 3 4 5 1
    1 2 3 4 5
  • Sort the Array using different algorithms. (Bubble Sort, Selection Sort, Insertion Sort, Quick sort, Merge Sort)
  • Searching the value in Array (Linear Search & Binary Search)
  • Find the Median value and Mode value in Array
  • Find the Second highest and Second smallest value in array
  • Find and print the duplicate elements in array

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Interview related logical programs:

  • Display Prime Numbers, Armstrong numbers, Perfect Numbers, Strong Numbers up to range or between the ranges
  • Sum of Digits/ Reverse a number
  • Convert decimal number to binary format


  • What is Exception and its types
  • How to handle exception?
  • Multiple catch blocks
  • Finally block
  • Difference between throw and throws
  • Custom Exception

Real-time Practicals
1.Write a program to generate the Null Pointer Exception and Number Format Exception. Handle these exceptions with multiple catch blocks.
2.Create the custom exception called “AgeExceedException”.
3.Get the age from user. If age exceeds 35 then throw the AgeExceedException with message “You are not eligible candidate to apply for this position”.


  • Varargs
  • Autoboxing and Autounboxing
  • EnumType
  • Annotation
  • Custom Annotation and its types
  • Assertion


  • Object Class
  • Object Cloning (Shallow Copy and Deep Copy)
  • Wrapper Class
  • Java Recursion

Real-time Practicals
1.Get the Age from user. If age is less than 18 then display “You are not eligible for voting” using assertion.
2.Print 1 to 10 using recursion
3.Print Fibonacci Series using recursion

Section 16: IO PACKAGE

  • Stream and its types
  • Read, Write and Copy Files
  • Serialization
  • Marker Interface
  • “transient” keyword

Real-time Practicals
1.Get the console Input using BufferedReader.
Create the File having following Content :
Credo Systemz is best (way of teaching) and the study materials are really excellent.
2.Read the File and Find the String within the ( ) opening and closing paranthesis. And write the String in another File.

Section 17: DATABASE

  • What is Database?
  • What is MySQL?
  • Parts of MySQL
  • Operators and Clauses in MYSQL.
  • Functions and procedures in MYSQL.

Real-time Practicals
Create a Database “shop” with tables and appropriate fields in your own thinking.
Create the Table Employee with Employee number, name and salary.

Section 18: JDBC

  • What is JDBC?
  • Types of Drivers
  • Loading the drivers
  • Connection, Statement, PreparedStatement, CallableStatement, ResultSet Interfaces
  • Batch Updates

Real-time Practicals
Get the Employee details emp_no, name, salary, address from the user and store the values into database using Prepared Statement with batch update.
Display the Employee details from database those who are having a salary more than 7000 using ResultSet.


  • What is multithreading and advantages.
  • What is Thread?
  • Life Cycle of a Thread.
  • Thread Classes and Methods
  • “Runnable” Interface
  • Creating Thread
  • Working with multiple Threads.
  • Java Synchronization
  • Interthread Communication
  • Dead Lock

Real-time Practicals
Create 3 threads. Each thread has to print Multiplication tables (2 tables, 3 tables, 4 tables) simultaneously.
Print 5 Divisables and 2 divisables upto 50 using synchronization.

Section 20: UTIL PACKAGE

  • Regular Expression
  • String Tokenizer
  • Scanner & Date Classes
  • Localization & Internationalization
  • Java Collections Introduction

Real-time Practicals
1.Get the String “Java*programming*language” using Scanner Class. Split the String by using delimiter (*) and display the tokens and count the number of tokens using String Tokenizer.

2.Get the String “Java is my favourite language. Java is my profession” from user. Search and display the text java and index position of java using regular expression.


  • The “Collection” Interface
  • List, Set and Map Interfaces
  • Cursors in java and its differences
  • Difference between the implementation classes of List, Set and Map

Real-time Practicals
1.Remove duplicate words and characters from String using Collections.

2.Get the employee names from the database and store the employee names in List. Display the names in ascending order and descending order using ListIterator.


  • Generics in Java
  • Types of Generics
  • Uses and Limitations of Generics
  • Custom objects with Generic collections
  • Sorting in Collections

Real-time Practicals
Create the class employee with name, employee_number, phone. And store the employee objects in generic collections.
Sort the custom object generic collection by employee name.


  • Basic terms in networking
  • Socket Programming
  • Introduction about Swings
  • Components in Swings
  • Events Handling

Real-time Practicals
Get the Registration Details (Name, Gender, Phone_number, State, Country) from the user using Swings UI. And store the values in Database.


  • Default and static method in an interface
  • Functional Interfaces and Lambda expressions
  • Collection API improvements
  • Concurrency API improvements
  • Java IO improvements
  • Working with Eclipse
  • Eclipse shortcuts
  • Debugging
  • Code previous history


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Queries You May Have

What are the Prerequisite to join Core Java Training?

Core Java is simple to learn and does not have a necessary pre-requisite. While saying so, having the basic understanding of C/C++ Programming and OOPs concept can be an advantage

What are the Objectives of Core Java Training in Chennai

The objectives of this course are:

  • Gain familiarity to the features of Java Language.
  • Discover & learn to write Java code according to Object-Oriented Programming principles.
  • Equip you to get well versed in concepts such as Classes, Objects, Inheritance, Polymorphism and Interfaces.
  • Understand Java APIs for Collections, I/O Streams
  • Design GUI applications and Applets using AWT and Swing.
  • Work on Multithreaded and Networking applications.
  • Educate with handling database applications using JDBC.
What is the course duration for Core Java

Core Java Classroom Training in Chennai:

  • Regular classroom based training: 4 weeks, 90 minutes of Practical + Theory session per day.
  • Fast Track (1-1): 15 days.
  • Choose your options for week day or week end classroom training.
Will you guide me for Interview preparation?
  • Assessments - Our training pattern includes conducting frequent assessments to understand your technical competence & brief your areas of improvement, during the tenure of the course.
  • Interview Questionnaire - At Credo Systemz, a dedicated team is available to collate the frequently asked questions in the Top MNCs, and will share the questionnaire with our candidates.
  • Mock Interviews - At the end of the course, a team of highly qualified real-time IT technical experts from the industry assess your knowledge on the language, by conducting interviews, and share the feedback so you can crack the interview with confidence & at ease.
  • Resume Building Services – Expert trainers guide our candidates on the Resume preparation which will profoundly help you put your career on track.
As a Core Java developer, what next can I learn ?

Core Java is the basis of every other programming language, As an experienced Core Java developer you can choose the below fields for your career change,

  • Core Java with Selenium Automation Testing.
  • Core Java with Hadoop.
  • Core Java with Android App Development.

Didn’t find the answer?

Benefits of Core Java

Core Java is the just basic building block of Java, similar fundamental exist in all of the programming languages.
  • High Level, Robust
  • Secured Programming Language
  • Act as a Platform
  • Incredible toolset & rich API
  • Multi-threaded facility helps to perform several tasks simultaneously
  • Ease of Learning

Join the Best Java Training Institute in Chennai

What’s Unique for you to learn with us?

  • Detailed Course Plan to help both Fresher & Experienced Professionals.
  • Flexible training pattern, allowing candidates to choose between week day or week end sessions.
  • Skilled & expert trainers with 10+ years of IT industry experience.
  • Complete Hands-on Java training in Chennai with 100% Placement Assistance.
  • Training sessions take account of both Theoretical & mandatory practical program development as well.
  • To cater to any special needs of the candidates, we offer Online Java Training program as well.
  • Professional teams to assist with Career guidance, Interview preparation, Mock Interviews, Placement Counselling, Java Certification Assistance, Resume writing and Job updates.
  • Customisable Advanced Java Courses to include Advanced Java, Java J2EE, Spring, Hibernate, Struts to enhance your skillset from novice to an advanced professional.
  • Ranked as No.1 Java Training Institute in Chennai providing best Java training in the city with nominal course fees.

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Core Java Training with 100% Placements in Chennai

Core Java Training in Chennai with 100% Placements in Velachery Chennai – Our training program is designed in a way which helps the fresher candidates to get their dream jobs easily as a Java developer. Our placement candidates list will show you the concern we have towards the future of our candidates. Mock Interview after the completion of Core Java Certification training which helps the candidates to gain confidence during interviews.

Java Training in Chennai for Freshers

Credo Systemz  – Best java training center in Chennai providing special concern towards beginners which will help to learn Java Programming easily. Java is an Evergreen Programming language, hence Career Opportunities of the Java Platform always brighter. Our Core Java Training in Chennai that offers more number of facilitates especially for beginners, they are as follows,

  • First of all, Step by step explanation about basic to advanced Concepts.
  • Practical Oriented training, which will give the best learning experience.
  • Furthermore weekly assessment to test the candidate programming skill.
  • Resume Preparation and Interview Guidelines.
  • 100% Placement assistance.

KEY FEATURES of our Core Java Training in Chennai

  • Professional approach towards training using latest techniques.
  • Minimal batch strength to give individual attention to all.
  • Unlimited lab / practice environment access provided to all candidates.
  • Flexible batch schedule – Attend missed sessions with next batch.
  • We provide free placement assistance because we care about your career.
  • Free communication program for fresher candidates to develop their skills.
  • Core Java training with live project which helps to meet the industry standards.
  • Expert designed Core Java training for freshers with placement assistance.
  • Core Java training from basic to advance level.
  • Minimum Core Java training cost in Chennai.
  • Job oriented Core Java training concepts with more number of practical sessions.
  • Ranked as Best Java training institute with 100% placement assurance.
  • Minimum java course fees in the city with the best training.

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Core Java Training in Credo Systemz – Reviews

Best Java Training institute in Chennai  
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Hai, This is Neeta from Chennai, I joined Credo Systemz for Java Training. I found Credo Systemz through Google Search. First I attend Free demo session with a trainer before Joining. I am really satisfied with demo and way of approaching of the trainer. After Joining I am very much satisfied with this training because of whole Java training based on Practical oriented with real-time examples so helpful to understand all concepts clearly. The way of teaching and especially OOPS Concepts was the fully practical approach. Now I am happy with my Programming Skills of Java. Also, conducted Java Assessment on end of the training which is very useful to face interviews confidently. In my point of view Credo Systemz is the best java training institute. Thank you Credo Team.

Java Training with Placements  
Ranjith Kumar   
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Hello everyone, I'm Ranjith Kumar completed my Java training at Credo Systemz Chennai. At first, came here for demo session and satisfied with the trainer and the course content provided to me. The course went informative, learned Java from scratch. The practical training gave confident to attend interviews easily. Interview questions and weekly assessments were very useful. Thank you, Credo Systemz.

Best Java Training Chennai Review  
Hari Prasad   
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As a fresher, I came to know about Credo Systemz from my seniors who did their Java training here,  Once I came here they suggested me a free demo session. The trainer explained how the course will be helpful for me to get a job. It gave me enough confidence, I joined in September batch and now I completed my Java certification training in Credo Systemz. The training period was really wonderful, learned a lot in Java. Especially the real-time examples given by the trainer was very informative. This Java training course has turned me a certified Java developer from scratch. Thank You

Best training institute for Java  
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Hello friends, Myself Mani from Chennai, Recently completed my java certification in Credo Systemz, I came to know about Credo from Google reviews, Booked a Free Demo session with the trainer, They also allowed me to discuss with the previous batch candidates which gave me a clear idea about. Now I completed my Java certification. Trainer was very professional handled every session very interestingly and interactively. Thank You Credo

Excellent Java Training in Chennai  
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Hi, this is sandeep doing my B.E CSE, I decided to do take core java course in chennai during my holiday. At the time my friend suggested me to credo systemz so I joined there for my java training. My trainer taught me the Java fundamental was very well and got the detailed explanation of object-oriented programming concepts with real time examples which help us to understand the concepts easily and all the session went practical oriented. I am really satisfied with this training, I am surely referring this institute for all who wants to master in java.

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