qq_35860865的博客

import java.util.*;class Dog{ String breed,color,spot; int weight; public void show(){ System.out.println("这是一只"+breed+"体重为"+weight+",颜色为"+color); }}class Sdog extends Dog{ public void show(){ System.out.println("这是一只"+breed+"体重为"+we.

import java.util.*;class Cube{ int a,b,c; public void setDemo(int x,int y,int z){ this.a=x; this.b=y; this.c=z; } public void prt(){ System.out.printf("体积=%d",a*b*c); }}public class Main{ public .

import java.util.*;public class Main{ public static void main(String[] args){ Scanner in = new Scanner(System.in); String a=in.next(); //String t1=new String("圆形"); //String t2=new String("矩形"); //System.out.pr.

注意，子类的构造函数一定会调用主类的构造函数（自动super你怕不怕）import java.util.*;class Car{ //主类 int wheel,men; double weight,limit; public Car(int a,double b){ //主类的构造方法 this.wheel=a; this.weight=b; } public void show(){ System.out.println("汽车:"); System.ou

import java.util.*;public class Main{ public static void main(String[] args) { int m,n; //第一个数的实部和虚部 int p,q; //第二个数的实部和虚部 Scanner scanner =new Scanner(System.in); m=scanner.nextInt(); n=scanner.nextInt(); p=scanner.nextInt(); .