turbotree

package com.jdbc.librarysystem.util;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.List;

turbotree

package com.jdbc.librarysystem.entity;

public class Admin {
	private int id;
	private String username;
	private String password;

	public int getId() {
		return id;
	}

turbotree

public class Test {

	
	public static void main(String[] args) {
		
		java.util.Scanner input = new java.util.Scanner(System.in);
		
		System.out.println("请输入数字A:");
		int numA = input.nextInt();