Print alphabets in java

class Alphabets
{
   public static void main(String args[])
   {
      char ch;
 
      for( ch = 'a' ; ch <= 'z' ; ch++ )
         System.out.println(ch);
   }
}

java for loop program

public class Test {

   public static void main(String args[]) {

      for(int x = 10; x < 20; x = x+1) {
         System.out.print("value of x : " + x );
         System.out.print("\n");
      }
   }
}

program for nested for loop

mport java.io.*;
class simple_nested_forloop
{
    public static void main(String args[])
    {
        for(int r=1;r<=3;r++)
        {
            for(int c=1;c<=3;c++)
            {
                int sum;
                sum=r+c;
                System.out.println(r+" + "+c+" = "+sum);
            }
        }
    }
}

program for - print even number with the help of for loop

import java.io.*;
class simple_even_print_with_for_loop
{
    public static void main(String args[])
    {
        for(int i=1;i<=50;i++)
        {
            if(i%2==0)
            System.out.println(i);
        }
    }
}