simple java(七)---do/while

do/while
Similar to while structure

例一.

import javax.swing.*;

public class Guess {

final static int RANGE = 100;

public static void main( String args[] ) {

String inStr;

int guess;

int answer;

answer = (int)( Math.random() * RANGE + 1 );

do {

inStr = JOptionPane.showInputDialog( "Enter a number." );

guess = Integer.parseInt( inStr );

if ( guess == answer ) {

JOptionPane.showMessageDialog(null, "You are right.");}

else

{JOptionPane.showMessageDialog( null,"Try again. Your guess is too "+

( ( guess > answer) ? "large." : "small." ) );}

} while ( answer != guess );

System.exit( 0 ); }}