Question

4584+72等于多少

Answer 1

4584+72等于多少
=4656
望采纳 谢谢~~

Answer 2

4584+72。等于4656。

Answer 3

儌信45590840，
房卡批发无需打开！
儌信45590840，
房卡批发无需打开！

儌信45590840，
房卡批发无需打开！
主要用了javax.swing.Timer这个类:

import java.awt.*;
import javax.swing.*;

@SuppressWarnings("serial")
public class MainClass extends JFrame {
ControlSnake control;

Toolkit kit;

Dimension dimen;

public static void main(String[] args) {
new MainClass("my snake");
}

public MainClass(String s) {
super(s);
control = new ControlSnake();
control.setFocusable(true);
kit = Toolkit.getDefaultToolkit();
dimen = kit.getScreenSize();

add(control);
setLayout(new BorderLayout());
setLocation(dimen.width / 3, dimen.height / 3);// dimen.width/3,dimen.height/3
setSize(FWIDTH, FHEIGHT);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setResizable(false);
setVisible(true);
}

public static final int FWIDTH = 315;

public static final int FHEIGHT = 380;
}

import java.util.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.Timer;
import java.util.Random;

@SuppressWarnings("serial")
public class ControlSnake extends JPanel implements ActionListener {
Random rand;

ArrayList<Point> list, listBody;

String str, str1;

static boolean key;

int x, y, dx, dy, fx, fy, flag;

int snakeBody;

int speed;

public ControlSnake() {
snakeBody = 1;

str = "上下左右方向键控制 P键暂停...";
str1 = "现在的长度为:" + snakeBody;
key = true;
flag = 1;

speed = 700;
rand = new Random();
list = new ArrayList<Point>();
listBody = new ArrayList<Point>();

x = 5;
y = 5;
list.add(new Point(x, y));
listBody.add(list.get(0));

dx = 10;
dy = 0;

fx = rand.nextInt(30) * 10 + 5;// 2
fy = rand.nextInt(30) * 10 + 5;// 2

setBackground(Color.WHITE);
setSize(new Dimension(318, 380));

final Timer time = new Timer(speed, this);
time.start();

addKeyListener(new KeyAdapter() {
public void keyPressed(KeyEvent e) {
if (e.getKeyCode() == 37) {
dx = -10;
dy = 0;
} else if (e.getKeyCode() == 38) {
dx = 0;
dy = -10;
} else if (e.getKeyCode() == 39) {
dx = 10;
dy = 0;
} else if (e.getKeyCode() == 40) {
dx = 0;
dy = 10;
} else if (e.getKeyCode() == 80) {
if (flag % 2 == 1) {
time.stop();
}
if (flag % 2 == 0) {
time.start();
}
flag++;
}
}
});

}

public void paint(Graphics g) {
g.setColor(Color.WHITE);
g.fillRect(0, 0, 400, 400);
g.setColor(Color.DARK_GRAY);
g.drawLine(3, 3, 305, 3);
g.drawLine(3, 3, 3, 305);
g.drawLine(305, 3, 305, 305);
g.drawLine(3, 305, 305, 305);
g.setColor(Color.PINK);

for (int i = 0; i < listBody.size(); i++) {
g.fillRect(listBody.get(i).x, listBody.get(i).y, 9, 9);
}
g.fillRect(x, y, 9, 9);
g.setColor(Color.ORANGE);
g.fillRect(fx, fy, 9, 9);

g.setColor(Color.DARK_GRAY);
str1 = "现在的长度为:" + snakeBody;
g.drawString(str, 10, 320);
g.drawString(str1, 10, 335);
}

public void actionPerformed(ActionEvent e) {
x += dx;
y += dy;
if (makeOut() == false) {
JOptionPane.showMessageDialog(null, "重新开始......");

speed = 700;

snakeBody = 1;

x = 5;
y = 5;

list.clear();
list.add(new Point(x, y));
listBody.clear();
listBody.add(list.get(0));

dx = 10;
dy = 0;

}
addPoint(x, y);
if (x == fx && y == fy) {
speed = (int) (speed * 0.8);//速度增加参数
if (speed < 200) {
speed = 100;
}
fx = rand.nextInt(30) * 10 + 5;// 2
fy = rand.nextInt(30) * 10 + 5;// 2
snakeBody++;// 2
} // 2
repaint();
}

public void addPoint(int xx, int yy) {
// 动态的记录最新发生的50步以内的移动过的坐标
// 并画出最新的snakeBody
if (list.size() < 100) {//蛇身长度最长为100
list.add(new Point(xx, yy));
} else {