Core Java Tutorial

Java Basics:

1. Introduction to Java
2. Coding standards , Naming convention and Identifiers  
3. Top 10 uses of Java Keywords
4. Java Data Types 
5. Java data types with example programs  
6. Control statements in java with examples
7. Basic Operators in java 
8. Method and type of Methods
9. Access Specifiers/Modifiers
10. Packages in java
11. public static void main(String[] args)
12. JVM Architecture
13. Object class in java 
14. Command line arguments
15. Var Args in java
16. Type Casting in java
17. Static Import
18. Enhanced For loop 
19. Enum in java

Java Features:

1. Java Versions Introduction
2. Java 7 Features
3. 8 New Java 8 features
4. Java 8 Interface Default and Static methods

 

Object Oriented Concepts:

1. OOPS Introduction
2. Encapsulation 
3. Class and Object
4. Four different ways to create objects in java 
5. 5 different places to define object in java
6. Polymorphism
7. Method Overriding
8. Inheritance
9. Constructor
10. Constructor Overloading 
11. Constructor Chaining 
12. Static constructor
13. Static Keyword
14. Non static blocks in java
15. This Keyword
16. Super Keyword
17. Super keyword interview questions java 
18. Final Keyword
19. Abstract class and interfaces 
20. Abstract Class and abstract methods
21. Interview questions on interfaces in java

 

Wrapper classes

1. Wrapper Classes
2. Boxing and unboxing
3. Boolean Wrapper class
4. Integer Wrapper class
5. Character wrapper class 
6. Byte  Wrapper class
7. Float wrapper class
8. Long Wrapper class

 

Arrays

1. Arrays in java

 

Java String

1. String Class In Java
2. StringBuffer Class 
3. String vs StringBuffer vs StringBuilder

 

Exception Handling

1. Exception Handling Introduction
2. Differences Between Exception and Error
3. try catch finally in Java
4. User Defined Exceptions in Java
5. Throw vs throws 
6. Final vs finally vs finalize()
7. Return statement in try catch blocks 
8. Return statement in finally block 
9. Throw keyword in java 
10. Multiple catch blocks in java
11. Try block without catch block
12. Unreachable Blocks in java
13. Different ways to print Exception message
14. Java interview questions on exception handling 

 

Multi threading

1. Mutlithreading Introduction 
2. Thread Life Cycle
3. Different ways to create Thread in Java. 
4. Synchronization 

 

Inner Classes:

1. Inner Classes

 

 IO Streams

1. Introduction to io Streams
2. InputStream vs OutputStream
3. Reading data from File using FileInputStream
4. DataInputStream and DataOutputStream
5. ObjectInputStream and ObjectOutputStream
6. PrintStream class
7. Serialization

 

Date Time API

1. Formatting Dates in Java