学员登录(泛型集合)Student 类 =＞name ,age,sex,account,password要有初始化的数据,4个学员数据,统一进行管理,ArrayListlogin 登录输

package ldb0713.sh.demo02;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Scanner;

/**
 *  login 登录
	输入用户名和密码,验证登录是否成功
 * @author Lenovo
 *name ,age,sex,account,password
 *要有初始化的数据,4个学员数据,统一进行管理,ArrayList
 */
public class Demo01 {

	public static void main(String[] args) {
		//创建list对象
		List list = new ArrayList();
		//创建4个学员数据
		Student stu1 = new Student("张三",32,"男","123456","123456");
		Student stu2 = new Student("张四",32,"女","123457","123457");
		Student stu3 = new Student("张五",32,"男","123458","123458");
		Student stu4 = new Student("张六",32,"女","123459","123459");
		//把学院数据添加到list集合当中
		list.add(stu1);
		list.add(stu2);
		list.add(stu3);
		list.add(stu4);
		Demo01 d = new Demo01();
		d.login(list);
		
		
	}
	//login 登录
	public void login(List list) {  //传入List的叁数list
		Scanner input = new Scanner(System.in);
		//获取账号和密码
		System.out.println("请输入你的用户账号:");
		String account = input.next();
		System.out.println("请输入你的用户密码:");
		String password = input.next();
		//遍历list集合
		for (Object object : list) {
			//强转成Student类型的数据
			Student s = (Student)object;
//			System.out.println(list);
			//判断输入的账号密码是否和原账号密码相等
			if(s.getAccount().equals(account)&&s.getPassword().equals(password)) {
				System.out.println("登录成功");
				return;
			}else {
				System.out.println("登陆失败");
				return;
			}
		}
		
	}
}

package ldb0713.sh.demo02;
/**
 *  学员登录(泛型集合)
	Student 类  =>name ,age,sex,account,password
	要有初始化的数据,4个学员数据,统一进行管理,ArrayList

	login 登录
	输入用户名和密码,验证登录是否成功
 * @author Lenovo
 *
 */
public class Student {
	private String name;
	private int age;
	private String sex;
	private String account;	//账号
	private String password;	//密码
	
	public Student() {
		// TODO Auto-generated constructor stub
	}

	public Student(String name, int age, String sex, String account, String password) {
		super();
		this.name = name;
		this.age = age;
		this.sex = sex;
		this.account = account;
		this.password = password;
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public int getAge() {
		return age;
	}

	public void setAge(int age) {
		this.age = age;
	}

	public String getSex() {
		return sex;
	}

	public void setSex(String sex) {
		this.sex = sex;
	}

	public String getAccount() {
		return account;
	}

	public void setAccount(String account) {
		this.account = account;
	}

	public String getPassword() {
		return password;
	}

	public void setPassword(String password) {
		this.password = password;
	}

	@Override
	public String toString() {
		return "Student [name=" + name + ", age=" + age + ", sex=" + sex + ", account=" + account + ", password="
				+ password + "]";
	}
	
	
	
}