While loop

 package com.company;

public class CWH_Loop_21 {
    public static void main(String[] args) {
        int i=1;
        while(i<=3) {

            System.out.println(i);
            i++;
        }
//        Quiz
        int a=100;
        while(a<=200){
            System.out.println(a);
            a++;
        }
    }
}