package murauchi;import java.util.Scanner;//一个女人让他的程序员丈夫去商店买东西：你去附近的商店买些面包，如果有鸡蛋的话，买12个回来.//这个丈夫买了12个面包回来，他的妻子大吃一惊：你为什么买了12个面包？！程序员丈夫回答：因为他们有鸡蛋。public class Test3 {public static void main(String[] args) {boolean hasMilk = false;try {Scanner scanner = new Scanner(System.in);System.out.print("是否碰到卖牛奶的 :");hasMilk = scanner.nextBoolean();} catch (Exception e) {System.out.println("输入true或false");e.printStackTrace();}sonBuy(hasMilk);System.out.println("+++++++++++++++++++++");daughter(hasMilk);System.out.println("+++++++++++++++++++++");husbandBuy();System.out.println("+++++++++++++++++++++");wifeBuy();}private static boolean hasEgg() {boolean hasEgg = false;try {Scanner scanner = new Scanner(System.in);System.out.print("是否碰到卖鸡蛋的 :");hasEgg = scanner.nextBoolean();} catch (Exception e) {System.out.println("输入true或false");e.printStackTrace();}return hasEgg;}private static void husbandBuy() {if (hasEgg()) {System.out.println("丈夫买12个面包");} else {System.out.println("丈夫买1个面包");}}private static void wifeBuy() {if (hasEgg()) {System.out.println("妻子买12个鸡蛋");System.out.println("妻子买1个面包");} else {System.out.println("妻子买1个面包");}}//hasMilk不从参数中传递的话if（hasMilk）中取不到private static void sonBuy(boolean hasMilk){if (hasMilk){System.out.println("儿子买些牛奶");}else{System.out.println("儿子买快乐水");}}private static void daughter(boolean hasMilk) {if (hasMilk){System.out.println("女儿买些牛奶");}else {System.out.println("女儿什么都没买");}}}
