Java Programming Tutorial

UNIT - 7

JAVA Methods

Methods or Functions

Need of Methods

Advantages of Methods

Types of Methods

Method Definition

Creating objects

Execution of Method

Calling Method through Objects

Parameters and Arguments

Return Statement

Using Variables in a Function

Calling Parameterized Method

Categories of Functions

Argument to Methods

Pure and Impure Methods

Function Overloading

Using Static Functions

Question & Answer

UNIT - 8

JAVA Class and Objects

Defining Class

Defining Methods

Accessing Variables and Functions using objects

Controlling Access to Members of Class

This Keyword

Wrapper Classes

Question & Answer

UNIT - 9

JAVA Constructors

Need for Constructors

Types of Constructors

Constructor Overloading

Copy Constructor

Question & Answer

UNIT - 10

JAVA Library Classes


Advantages of Packages

Types of Package

Creating Package

import Statement

Input and Output

IO Stream

Categories of Stream

IO Classes

Exception Handling

Scanner Class and Functions

Token Checking Functions

Question & Answer

UNIT - 11

JAVA Arrays

Definition of Array

Declaration of Array

Allocating memory to array

Dimensions of an array

One Dimension Array

Memory representation of one dimension Array

Initializing Array element during declaration

Accessing Array elements using for Loop

Runtime error while using arrays

Array as an Argument

Searching Elements in an array

Sorting an Array

Two Dimensional Array

Question & Answer

UNIT - 12

JAVA Strings

String Handling

Creating String Explicitly

Functions of the String Class

StringBuffer Class

Comparison between string and StringBuffer

String Array

String Tokenizer

Question & Answer

UNIT - 13

JAVA Encapsulation

Access Specifiers

Scope and Visibility of variables

Instance and Argument Variables

Local Variables

Lifetime of a variable


Question & Answer

UNIT - 14

JAVA Inheritance

Question & Answer

UNIT - 15

JAVA Polymorphism

Question & Answer

UNIT - 16

JAVA File Handling

Question & Answer

UNIT - 17

JAVA Recursion

Recursive Function

Question & Answer

UNIT - 18

JAVA Packages

Question & Answer

UNIT - 19

JAVA Exception Handling

Introduction to Exception

Exception Handling Mechanism

The Try Block

The Catch Block

Exception Types

Checked Exception

The Multiple Catch Block

Throw Keyword

Throws Keyword

The Finally Block

User Defined Exception

Question & Answer

UNIT - 20

Multi Threading

Question & Answer

UNIT - 21

JAVA Applet

Question & Answer

UNIT - 22

JAVA Graphics

Introduction to Graphics

Drawing Lines

Drawing Rectangle

Drawing Ovals

Drawing Arcs

Drawing Polygons

Drawing Polyline


Question & Answer

UNIT - 23

JAVA AWT and Event Handling

Question & Answer

UNIT - 24

JAVA Swing

Question & Answer

UNIT - 25

JAVA Remote Method Invocation RMI

Question & Answer

UNIT - 26


Question & Answer

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