题目内容
关于super的说法正确的是( )
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阅读下面JAVA代码片段,正确的选项是( )public class Car { String color; String motor;public Car(String color, String motor) {// 1 this.color =color; this.motor =motor;}}public class Truck extends Car {double weight;public Truck() {// 2}public Truck(String color，String motor, double weight){ // 3 super(color, motor);this.weight = weight;}public void display(){System.out.println("颜色:"+color+"\t发动机型号:"+motor+"\t载重量:"+weight);}public static void main(String[] args) {Truck truck = new Truck("红色","玉柴", 1.5); // 4 truck.display();}}
下列关于Object类的叙述错误的是 ( )
( )该段代码的运行结果为:public class Father {private String name; private int age;public Father(String name,int age){this.name = name; this.age = age;}public static void main(String[] args) {Father fa1 = new Father(”晓明”,13); Father fa2 = new Father("晓明”,13); boolean flag = fa1.equals(fa2); System.out.println(flag);}}
在Java中,关于继承的说法错误的是( )
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