Guess CPU number

import java.util.Random;
import java.util.Scanner;
/**
 * Match the user's number and CPU's random number.
 * 
 * @author Valerie Chu 
 * @version 10/31/2018
 */
public class Loop
{
    public static void main(String[] args)
    {
      Random generator = new Random();
      Scanner input = new Scanner(System.in);
      int CPUnum = generator.nextInt(10);
      System.out.println("Guess a number between 0 to 9.");
      int USERnum = input.nextInt();  //You must initialize the condition before loop.
      while(USERnum != CPUnum) //while condition is true, do the jobs until it is false, the loop ends.
      {
          System.out.println("Sorry, you did not get it.  Try it again!");
          USERnum = input.nextInt();   //You must update the condition before go back to repeat the process.
      }                                //Otherwise, it will become an infinity loop.
      System.out.println("Congratuation! You got it!");
    }
}

Find the output of the following program segments.

int x = 10;
if(x > 5)
{
x--;
System.out.println(x);
}
System.out.println("Have a nice day.");

int x = 3;
if(x > 5)
{
x--;
System.out.println(x);
}
System.out.println("Have a nice day.");

int x = 10;
while(x > 5)
{
x--;
System.out.println(x);
}
System.out.println("Have a nice day.");

import java.util.Random;
import java.util.Scanner;
/**
 * Match the user's number and CPU's random number.
 * 
 * @author Valerie Chu 
 * @version 11/5/2018
 */
public class Loop
{
    public static void main(String[] args)
    {
      Random generator = new Random();
      Scanner input = new Scanner(System.in);
      int CPUnum = generator.nextInt(10);
      int USERnum;
      do 
      {
      System.out.println("Guess a number between 0 to 9.");
      USERnum = input.nextInt(); 
      } while(USERnum != CPUnum);  //Check the condition at the end of loop.

      System.out.println("Congratuation! You got it!");
    }
}