zhuhai

public class Number{
  public static void main(String[] args){
		java.util.Scanner input=new java.util.Scanner(System.in);
		System.out.println("请输入一个数a：");
		int a=input.nextInt();
		System.out.println("请再输入一个数b：");
		int b=input.nextInt();
		System.out.println("您输入的结果为：a="+a+" "+"b="+b);
                int c=a;
  	        a=b;

zhuhai

public class Score{
  public static void main(String[] args){
    java.util.Scanner input=new java.util.Scanner(System.in);
  	System.out.println("请输入你的成绩：");
		
		double score=input.nextDouble();
		if(score>=90&&score<=100){
			System.out.println("优秀");
		
		}else if(score>=80&&score<90){

zhuhai

public class Card{
  public static void main(String[] args){
	
		java.util.Scanner input=new java.util.Scanner(System.in);
		
		System.out.println("请输入卡的类型:金|银|铜");
		String type=input.next();
		
		System.out.println("请输入消费金额：");
		double money=input.nextDouble();

zhuhai

public class Compare{
  public static void main(String[] args){
    java.util.Scanner input=new java.util.Scanner(System.in);
  	System.out.println("请输入三个整数：");
		int a=input.nextInt();
		int b=input.nextInt();
		int c=input.nextInt();
		
		int max=a>b?a:b;
		max=max>c?max:c;

zhuhai

public class Test{
  public static void main(String[] args){
		java.util.Scanner input=new java.util.Scanner(System.in);
		System.out.println("请输入你的用户名：");
		String name=input.next();
		
		System.out.println("请输入密码：");
		String password=input.next();
		
		if(name.equals("tom")&&password.equals("123")){

zhuhai

public class L4{
  public static void main(String[] args){
    java.util.Scanner input=new java.util.Scanner(System.in);
  	
		String name;
		do{
			System.out.println("请输入你的名字：");
			name=input.next();
			
			if(!name.equals("quit")){

zhuhai

public class Login{
  public static void main(String[] args){
	java.util.Scanner input=new java.util.Scanner(System.in);
	String lastName="";
	int errorNum=0;
	boolean flag=false;
	
	while(errorNum!=3&&!flag){
		System.out.println("请输入用户名：");
		String name=input.next();

zhuhai

public class GuessGame{
  public static void main(String[] args){
		java.util.Random random=new java.util.Random();
		java.util.Scanner input=new java.util.Scanner(System.in);
		
		int errorNum=0;
		int num=random.nextInt(100);
		while(true){
			System.out.println("请输入一个100以内的整数：");
			int a=input.nextInt();

zhuhai

public class L5{
  public static void main(String[] args){
    int[] nums=new int[5];
  	for(int a=0;a<nums.length;a++){
			System.out.println("请输入"+(a+1)+"个整数的值：");
			nums[a]=input.nextInt();
		
		}
		System.out.println("你输入的数为：");
		for(int a=0;a<nums.length;a++){

zhuhai

package com.kaishengit.entity;

import java.io.Serializable;

public class Account implements Serializable{

  private static final long serialVersionUID = 1L;
	private int id;
	private String username;
	private int age;