package com.company;import java.util.*;//题目一class student{ private String name; private String xingbie; private int year,month,day,age; private String sub; public void add(int x,int y,int z,String a,String b,String c,int age) { year=x;month=y;day=z;name=a;xingbie=b;sub=c;this.age=age; } public void p() { System.out.print("subject:"+sub+",name:"+xingbie+",Sex:"+xingbie+",birth:"+year+"/"+month+"/"+day+",age:"+age); }}//题目二class vechile{ private double speed; private int power; public void getpower(int x) { power=x; } public void getspeed(double x) { speed=x; } public void upspeed() { speed+=10; System.out.printf("%lf",speed); } public void lowspeed() { speed-=10; System.out.printf("%lf",speed); }}//题目三class child{ private String name; private String xingbie; private int age,num; private String habbit; void add(int num,String name,int age,String habbit,String xingbie) { this.age=age; this.habbit=habbit; this.num=num; this.xingbie=xingbie; this.name=name; } public void p() { System.out.print("**第"+num+"位**\n"); System.out.println(name+"小朋友:"+xingbie+","+age); System.out.println("兴趣爱好"+habbit); }}//题目四class hws{ private int num; public void add(int x) { num=x; } public void judge() { int[] a = new int[1000]; int jishu=0;int j=num;int l=0; while(j!=0) { jishu++; a[++l]=j%10; j/=10; } int num1=jishu/2;boolean l1=flase; for(int i=1;i { if(a[i]==a[jishu-i+1]) continue; else { l1=true; break; } } if(l1==flase) System.out.println("Yes"); else System.out.println("No"); }}//题目五class cai{ private int num; public void add(int x) { num=x; } void caishuzi(int x) { if(x>num) { System.out.println("猜大了"); int a=s.nextint() caishuzi(a); } }}public class Main{ public static void main(String[] arges){ Scanner s=new Scanner(System.in); System.out.printf("2304010103胡琦\n"); student a=new student(); a.add(2004,6,9,"小胡","男","计算机科学与技术",20); a.p(); vechile b=new vechile(); int power=s.nextInt(); b.getpower(power); double speed=s.nextDouble(); b.getspeed(speed); b.lowspeed(); b.upspeed(); child c=new child(); c.add(1,"小胡",20,"打游戏","男");}}