java语言程序设计第十版(Introduce to java 10th) 课后习题 chapter6-32

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java语言程序设计第十版(Introduce to java 10th) 课后习题 chapter6-32

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package chapter6;public class T32 {public static void main(String[] args) {int win = 0;for(int i=0;i<1000000;i++){win+=rollResult();}System.out.println("You win "+win+" times!");}public static int roll() {int num1 = (int) (Math.random() * 6 + 1);int num2 = (int) (Math.random() * 6 + 1);//System.out.println("You rolled " + num1 + "+" + num2 + "=" + (num1 + num2));return num1 + num2;}public static int rollResult() {int num = roll();if (num == 2 || num == 3 || num == 12) {//System.out.println("You lose.");return 0;} else if (num == 7 || num == 11){//System.out.println("You win!");return 1;}else {//System.out.println("point is " + num);while (true) {int num1 = roll();if (num1 == 7) {//System.out.println("You lose.");return 0;} else if (num1 == num) {//System.out.println("You win!");return 1;}}}}}

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