题目内容

被顺序调用?请选择输出结果 ( )class People {String name;public People() {System.out.print(1);}public People(String name) {System.out.print(2);this.name = name;}}class Child extends People {People father;public Child(String name) {System.out.print(3);this.name = name;father = new People(name + ":F");}public Child() {System.out.print(4);}}public class Test {public static void main(String[] args){People p = new Child("梅西");}}

A. 312
B. 32
C. 432
D. 132

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更多问题

A. 将private int m 改为protected int m
B. 将private int m 改为public int m
C. 将private int m 改为private static int m
D. 将private int m 改为int m

A. 属性
B. 方法
C. 接口
D. 对象

A. 1
B. 2
C. 3
D. 4