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Core Java

Basics of Java

Java – What, Where and Why?
History and Features of Java
Internals of Java Program
Difference between JDK,JRE and JVM
Internal Details of JVM
Variable and Data Type
Unicode System
Naming Convention

OOPS Conecpts

Advantage of OOPs
Object and Class
Method Overloading
Constructor
static variable, method and block
this keyword
Inheritance (IS-A)
Aggregation and Composition(HAS-A)
Method Overriding
Covariant Return Type
super keyword
Instance Initializer block
final keyword
Runtime Polymorphism
static and Dynamic binding
Abstract class and Interface
Downcasting with instanceof operator
Package and Access Modifiers
Encapsulation
Object class
Object Cloning
Java Array
Call By Value and Call By Reference
strictfp keyword
Creating API Document

String Handling

String : What and Why?
Immutable String
String Comparison
String Concatenation
Substring
Methods of String class
StringBuffer class
StringBuilder class
Creating Immutable class
toString method
StringTokenizer class

Exception Handling

Exception Handling : What and Why?
try and catch block
Multiple catch block
Nested try
finally block
throw keyword
Exception Propagation
throws keyword
Exception Handling with Method Overriding
Custom Exception


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