Java Programing laungage

Core Java Tutorial

Introduction of Core Java

How To Install JDk and Set of Path

Syntax of java Program

Difference between Java and C/C++

Advantage and Disadvantage of Java

What is Java

Why Java is not Pure Object Oriented Language

Java has Following Features/Characteristics

Limitation of Java Language and Java Internet

Common Misconception about Java

Simple Program of Java

Integrated Development Environment in java

Compile and Run Java Program

Applet and Comments in Java

Tokens in Java

Keywords in Java

Identifier and Variables in Java

Literals/Constants

Data Type in Java

Assignments and Initialization in Java

Operators in Java

Rule of Precedence in Java

Operator on Integer and Separators in Java Programming

Java Control Flow of Statements

If and If-else Selection Statement

Nested If-else and If-else-If Selection Statement

switch case and conditional operator Selection Statement

for and while Loop

do..while and for each Loop

break and labeled break statement

continue and labeled continue statement

return Statement and exit() Method

Escape Sequence for Special Characters and Unicode Code

Constants and Block or Scope

Statement in Java

Conversions between Numeric Types in Java

Import Statement in Java

User Input in Java using Scanner Class

User Input in Java using Console Class

Array in Java

One Dimensional Array

Two Dimensional Array

Two Dimensional Array Program

Command Line Argument in Java

String args Types in Java

Uneven/Jagged array in java

Math Class Function and Constant

Math Class all Function used in a program

Enumerated Types in Java

Object Oriented Programming v/s Procedural Programming

Object Oriented Programming Concepts in Java

Introduction to Class,Object and Method in Java

Class Declaration in Java

Class & Objects in java

Encapsulation in Java

Modifiers/Visibility for a Class or Interrface or member of a Class

Polymorphism in Java

Runtime polymorphism (dynamic binding or method overriding)

Applet and Comments
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An applet is an application designed to be transmitted over the Internet and executed by a Java-compatible Web browser. An applet is actually a tiny Java program, dynamically downloaded across the network, just like an image, sound file, or video clip.

  1. Applet application is designed travel over the internet and execute on client side web browser. on java enabled web browser like Netscape Navigator, Internet Explorer etc. An applet is a Java class that extends the java.applet.Applet class.
  2. A main() method is not call an applet, and an applet class will not define main().
  3. Applets are designed to be embedded within an HTML page.
  4. When a user views an HTML page that contains an applet, the code for the applet is downloaded to the user's machine.
  5. A JVM is required to view an applet. The JVM can be either a plug-in of the Web browser or a separate runtime environment.
  6. The JVM on the user's machine creates an instance of the applet class and call various methods during the applet's lifetime.Swing provides a special subclass of the Applet class called javax.swing.JApplet. The JApplet class should be used for all applets that use Swing components to construct their graphical user interfaces (GUIs).
Comments

Comments are compile time non executable statement and compiler ignore these comments. In java there are three type of comment:

  1. Single Line Comment:
  2. // This is single line commentsingle line comments with double forward slash

     

  3. Multi line comments:
  4. /*multi line comment start with 
    forward slash followed by astric and
    end with astric followed by forward slash */
    
  5. Document comments:
  6. its begin /** and end */. its use by the Javadoc..
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