Java examples for Language Basics:while
Validating Input from the User with do-while loops
import java.util.Scanner; public class Main { static Scanner sc = new Scanner(System.in); public static void main(String[] args) { int bank = 1000; // assume the user has $1,000 int bet; // the bet entered by the user System.out.println("You can bet between 1 and " + bank);//from w ww . j a v a2s . co m do { System.out.print("Enter your bet: "); bet = sc.nextInt(); } while ( (bet <= 0) || (bet > bank) ); System.out.println("Your money's good here."); } }