package chapter5; import java.util.*; public class MiniDVD { public static void main(String[] args){ //扫描器 Scanner input = new Scanner(System.in); //重要参数及初始化 //Create four arrays with length of 7 //定义四个数组长度为7 int date[] = new int[7]; //borrow date in…
import java.text.SimpleDateFormat;import java.util.Date;import java.util.Scanner;class Test { public static void main(String[] args) { Scanner in = new Scanner(System.in); int choice;//用户的选择 DVDManage dm = new…
import java.util.*;import java.text.*;class DVDSet{ String[] name = new String[50]; //名字 int[] state = new int[50]; //状态 1为可借,0为借出 String[] date = new String[50]; //借出日期 int[] count = new int[50]; //排行榜}class DVDMgr{ // 创…
网格布局管理器: GridLayoutDemo.java: import java.awt.GridLayout;import javax.swing.JButton;import javax.swing.JFrame; public class GridLayoutDemo extends JFrame{ JButton[] jbtn={null,null,null,null,null,null,null,null};//要为null不然有异常 public GridLayoutD…
JAVA流式布局管理器的使用: FlowLayoutDeme.java: import java.awt.*;import javax.swing.*;public class FlowLayoutDemo extends JFrame { JButton[] jbtn={null,null,null,null,null,null,null,null};//要为null不然有异常 public FlowLayoutDemo() {// for (int i = 0;…