Static method
[sourcecode=’java’] public class Student { private static int totalStudents; // Other details omitted. // Constructor. public Student() { // Details omitted. // Automatically increment the… Read More »Static method
Beginner
Polymorphism on three classes
This Polymorphism is one of the special feature of OOPL(Object oriented Programming Language). The polymorphism can perform several functions with a single method. A simple example of Polymorphism is given below according to real world.
fig. Polymorphism in real world
The term polymorphism refers to the ability of two or more objects belonging to different classes to respond to exactly the same message (method call) in different class-specific ways.Read More »Polymorphism on three classes
Small Applet
[sourcecode=’java’] //import directives import javax.swing.*; public class HelloJava { //main method public static void main( String[] args ) { JFrame frame = new JFrame( “Hello… Read More »Small Applet
Using Switch
Switch is mostly useful while we are making any menu-driven program and we can use switch even for many other purposes. Here I’m going to… Read More »Using Switch
Converting Number System
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public static void main(String[] args) { int binary = 4; int hexadecimal = 43; //Convert the integer to binary. Stored in String. String bin = Integer.toBinaryString(binary); System.out.println(binary + " as binary: " + bin); //Convert the second integer into hex. Stored in String. String hex = Integer.toHexString(hexadecimal); System.out.println(hexadecimal + " as hex: " + hex); //To convert back, parse the String with base 2 (binary). System.out.println(bin + " as integer: " + Integer.parseInt(bin, 2)); //Hexadecimal is base-16, so pass in 16 as base. System.out.println(hex + " as integer: " + Integer.parseInt(hex, 16)); } |
Just paste these java codes in your java file .Compile and Run it . Now u will be able to easily convert the Number… Read More »Converting Number System