import java.awt.*; import java.awt.event.*; import javax.swing.*; import java.sql.*; public class system extends JFrame { JDesktopPane deskpane = new JDesktopPane();//在窗体里建立虚拟桌 JPanel p = new JPanel();//创建一个面板并实例化 public system(){//构造函数 setTitle("订单
JAVA试题(100道) —————————————————————————————————————— 题目1: 下面不属于基本类型的是:c (选择1项) A) boolean B) long C) String D) byte 题目2:d 如下程序中: (1)public class CharToInt (2){ (3) public static void main(String[] args) (4) { (5) int a,b=10; (6) char c='语'; (7) a=b+c
//整型变量,表示难度等级为:简单 public static final int EASY = 1; //整型变量,表示难度等级为:普通 public static final int NATURAL = 2; //整型变量,表示难度等级为:难 public static final int HARD = 3; //设定初始难度等级为简单 private int grade = Spider.EASY; private Container pane = null; //生成纸牌数组 priv
java编写的蜘蛛纸牌游戏代码 import java.awt.*; import java.awt.event.*; import javax.swing.*; import java.util.*; public class Spider extends JFrame{ //整型变量,表示难度等级为:简单 public static final int EASY = 1; //整型变量,表示难度等级为:普通 public static final int NATURAL = 2; //整型