This Articles Contents
Write a program for loop in java (While loop)
package com.onurdesk.loop.program;
public class WhileLoopExample {
/**
* @author Onurdesk
*
* Thanks for visiting https://onurdesk.com like us on facebook :
* https://facebook.com/onurdesk
*/
public static void main(String[] args) {
int i = 1;
System.out.println("While Loop Demo");
while (i <= 10) {
System.out.println(i);
i++;
}
System.out.println("Thanks for visiting https://onurdesk.com");
}
}Write a program for loop in java(do While)
package com.onurdesk.loop.program;
public class DoWhileLoopExample {
/**
* @author Onurdesk
*
* Thanks for visiting https://onurdesk.com like us on facebook :
* https://facebook.com/onurdesk
*/
public static void main(String[] args) {
int i = 1;
do {
System.out.println("Do While Loop Example");
} while (i < 1);
System.out.println("Thanks for visiting https://onurdesk.com");
}
}
Write a program for loop in java(for Loop)
package com.onurdesk.loop.program;
public class ForLoopExample {
/**
* @author Onurdesk
*
* Thanks for visiting https://onurdesk.com like us on facebook :
* https://facebook.com/onurdesk
*/
public static void main(String[] args) {
System.out.println("For Loop Example: ");
int[] intArray = { 1, 2, 3, 4, 5 };
for (int i = 0; i < intArray.length; i++)
System.out.println(intArray[i]);
System.out.println("Thanks for visiting https://onurdesk.com");
}
}Write a program for loop in java(For Each)
package com.onurdesk.loop.program;
public class ForEachLoopExample {
/**
* @author Onurdesk
*
* Thanks for visiting https://onurdesk.com like us on facebook :
* https://facebook.com/onurdesk
*/
public static void main(String[] args) {
System.out.println("For Each Loop Example: ");
int[] intArray = { 1, 2, 3, 4, 5 };
for (int i : intArray)
System.out.println(i);
System.out.println("Thanks for visiting https://onurdesk.com");
}
}
Write a program to print message without SYSOUT.
package com.onurdesk.loop.program;
import java.io.FileDescriptor;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintStream;
public class PrintMsgWithOutSysOut {
/**
* @author Onurdesk
*
* Thanks for visiting https://onurdesk.com like us on facebook :
* https://facebook.com/onurdesk
*/
public static void main(String[] args) throws IOException {
System.out.write("Java Programs App \n".getBytes());
System.out.format("%s", "Java Programs App \n");
PrintStream printStream = new PrintStream(new FileOutputStream(FileDescriptor.out));
printStream.print("Java Programs App \n");
System.err.print("Error message");
System.out.println("Thanks for visiting https://onurdesk.com");
}
}
Write a program for loop in java for Enum
package com.onurdesk.loop.program;
enum Colour {
Black, White, Red, Green, Yellow, Grey
}
public class EnumExample {
/**
* @author Onurdesk
*
* Thanks for visiting https://onurdesk.com like us on facebook :
* https://facebook.com/onurdesk
*/
public static void main(String[] args) {
Colour colour;
colour = Colour.Black;
System.out.println("Selected " + colour + " Colour");
colour = Colour.Yellow;
System.out.println("Selected " + colour + " Colour");
System.out.println("Thanks for visiting https://onurdesk.com");
}
}
Write a program for loop in java (Break Statement)
package com.onurdesk.loop.program;
public class BreakStatement {
/**
* @author Onurdesk
*
* Thanks for visiting https://onurdesk.com like us on facebook :
* https://facebook.com/onurdesk
*/
public static void main(String[] args) {
for (int i = 1; i < 10; i++) {
System.out.println("i=" + i);
if (i == 4) {
System.out.println("Break statement executes and loop breaks when i value is equal to 4");
break;
}
}
System.out.println("Thanks for visiting https://onurdesk.com");
}
}
Write a program for loop in java(Switch Case Statement)
package com.onurdesk.loop.program;
import java.util.Scanner;
public class SwitchCaseExample {
/**
* @author Onurdesk
*
* Thanks for visiting https://onurdesk.com like us on facebook :
* https://facebook.com/onurdesk
*/
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
System.out.println("Enter one digit from 0 to 6: ");
int num = input.nextInt();
switch (num) {
case 0:
System.out.println("Your Lucky Day is Sunday");
break;
case 1:
System.out.println("Your Lucky Day is Monday");
break;
case 2:
System.out.println("Your Lucky Day is Tuesday");
break;
case 3:
System.out.println("Your Lucky Day is Wednesday");
break;
case 4:
System.out.println("Your Lucky Day is Thursday");
break;
case 5:
System.out.println("Your Lucky Day is Friday");
break;
case 6:
System.out.println("Your Lucky Day is Saturday");
break;
default:
System.out.println("Please select the right option");
break;
}
System.out.println("Thanks for visiting https://onurdesk.com");
}
}