Dream

摘要： 1 class Fu { 2 int num = 5; 3 } 4 5 class Zi extends Fu { 6 //int num = 4; 7 void show(){ 8 System.out.println(this.num);//注意看这,子类的方法 9 }10 }11 12 public class zihefu {13 14 public static void main(String[] args) {15 Zi z = new Zi();16 z.show();17 ... 阅读全文

摘要： （1）比较好理解的 1 class Fu { 2 int num1 = 5; 3 } 4 5 class Zi extends Fu { 6 int num2 = 4; 7 } 8 9 public class zihefu {10 11 public static void main(String[] args) {12 Zi z = new Zi();13 System.out.println(z.num1 + "....." + z.num2);14 15 }16 17 }View Code （2）比较能理解的 1 cl... 阅读全文