Core Java Certification 

offered by Naresh i Technologies

Introduction to variables and identifiers

Type of variables

Memory construction and destruction of variables

Rules to create variables

Naming conventions of variables

Blocks introduction

Methods introduction

Primitive types

Introduction

Memory occupancy

Ranges

Errors(compile time and runtime)

Primitive type casting(implicit and explicit)

Reference types

Class keyword and its naming convention

Class naming convention

Why main has public access

Why main has static modifier

Why return type is void

out.println() description

Naming convention of methods and packages.

Overloading main method

Assignment operator

Arithmetic operators

Conditional operator

Increment/Decrement operators

Relational operators

Logical operators

Bitwise operators

Shift operators

Compound assignment operators

Need of functions.

Types of functions

Pre-defined

User-defined

Classification of functions

No args-no return values function

With args-no return values function

With args-with return values function

No args with return values function

Recursive functionWrapper classes

Introduction

Why wrapping

Boxing and Unboxing

Auto Boxing and Auto Unboxing

Primitive to String conversion (using valueOf()and toString() methods)

String to Primitive conversion (using valueOf() and xxxValue() methods)

Introduction

How to create user defined package

Calling members of same package

Calling members of another package

Need of import statement

Need of fully qualified name

Difference between import and include

Creating Sub packages

Importing sub packages

Access specifiers introduction

public

private

protected

or

Usage of access specifiers in packages