视具体代码情况而定，视是否引用外部包而定，视个人编程书写习惯而定。
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具体的来说，Python可以将任意长的代码写在一行上（其实好像java也可以这么干）。
所以行数说明不了什么问题。
平均来看，Java要打100行的代码，Python大约需要50行代码左右。
另外Python在某些问题上，处理比Java要更消耗资源，不过Python用了很多多线程优化，所以说起来，单机的运行速度不相上下，但在服务器上运行就能看出来Java是有明显优势的。
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class Painter extends JFrame{
/**
*
*/
private static final long serialVersionUID = 8160427604782702376L;
CanvasPanel canvas = new CanvasPanel()
public Painter() {
super("Star");
this.add(canvas);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.pack();
this.setResizable(false);
this.setLocationRelativeTo(null);
this.setVisible(true);
}
public static void main(String[] args) {
new Painter();
}
}
class CanvasPanel extends JPanel implements ActionListener{
/**
*
*/
private static final long serialVersionUID = -4642528854538741028L;
private JButton[] btn = new JButton[4];
private String[] btn_name = {"+", "-", "R", "L"};
private int center_x = 200, center_y = 200, radius = 100, degree = 0;
public CanvasPanel() {
this.setPreferredSize(new Dimension(400, 500));
this.setLayout(null);
for(int i = 0; i 4; i++) {
btn[i] = new JButton(btn_name[i]);
btn[i].setBounds(160 + i * 60, 425, 50, 50);
btn[i].addActionListener(this);
this.add(btn[i]);
}
}
@Override
public void paintComponent(Graphics g) {
super.paintComponent(g);
for(int i = 0; i 5; i++) {
g.drawLine( (int) (center_x + radius * Math.sin(Math.toRadians(degree + 72 * i))),
(int) (center_y - radius * Math.cos(Math.toRadians(degree + 72 * i))),
(int) (center_x + radius * Math.sin(Math.toRadians(degree + 72 * i + 144))),
(int) (center_y - radius * Math.cos(Math.toRadians(degree + 72 * i + 144))));
}
}
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
if(e.getActionCommand() == "+") {
if(radius 200)
radius += 2;
repaint();
} else if(e.getActionCommand() == "-") {
if(radius 0)
radius -= 2;
repaint();
} else if(e.getActionCommand() == "R") {
degree = (degree + 2) % 360;
repaint();
} else if(e.getActionCommand() == "L") {
degree = (degree - 2) % 360;
repaint();
}
}
}
贪吃蛇游戏 望采纳
import java.awt.Button;
import java.awt.Color;
import java.awt.GridLayout;
import java.awt.Point;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.util.*;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
public class Snake extends JFrame implements KeyListener{
int Count=0;
Button[][] grid = new Button[20][20];
ArrayListPoint snake_list=new ArrayListPoint();
Point bean=new Point(-1,-1);//保存随机豆子【坐标】
int Direction = 1; //方向标志 1:上 2:下 3:左 4:右
//构造方法
public Snake()
{
//窗体初始化
this.setBounds(400,300,390,395);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
GridLayout f=new GridLayout(20,20);
this.getContentPane().setBackground(Color.gray);
this.setLayout(f);
//初始化20*20个按钮
for(int i=0;i20;i++)
for(int j=0;j20;j++)
{
grid[i][j]=new Button();
this.add(grid[i][j]);
grid[i][j].setVisible(false);
grid[i][j].addKeyListener(this);
grid[i][j].setBackground(Color.blue);
}
//蛇体初始化
grid[10][10].setVisible(true);
grid[11][10].setVisible(true);
grid[12][10].setVisible(true);
grid[13][10].setVisible(true);
grid[14][10].setVisible(true);
//在动态数组中保存蛇体按钮坐标【行列】信息
snake_list.add(new Point(10,10));
snake_list.add(new Point(11,10));
snake_list.add(new Point(12,10));
snake_list.add(new Point(13,10));
snake_list.add(new Point(14,10));
this.rand_bean();
this.setTitle("总分：0");
this.setVisible(true);
}
//该方法随机一个豆子，且不在蛇体上，并使豆子可见
public void rand_bean(){
Random rd=new Random();
do{
bean.x=rd.nextInt(20);//行
bean.y=rd.nextInt(20);//列
}while(snake_list.contains(bean));
grid[bean.x][bean.y].setVisible(true);
grid[bean.x][bean.y].setBackground(Color.red);
}
//判断拟增蛇头是否与自身有碰撞
public boolean is_cross(Point p){
boolean Flag=false;
for(int i=0;isnake_list.size();i++){
if(p.equals(snake_list.get(i) )){
Flag=true;break;
}
}
return Flag;
}
//判断蛇即将前进位置是否有豆子，有返回true，无返回false
public boolean isHaveBean(){
boolean Flag=false;
int x=snake_list.get(0).x;
int y=snake_list.get(0).y;
Point p=null;
if(Direction==1)p=new Point(x-1,y);
if(Direction==2)p=new Point(x+1,y);
if(Direction==3)p=new Point(x,y-1);
if(Direction==4)p=new Point(x,y+1);
if(bean.equals(p))Flag=true;
return Flag;
}
//前进一格
public void snake_move(){
if(isHaveBean()==true){//////////////有豆子吃
Point p=new Point(bean.x,bean.y);//【很重要，保证吃掉的是豆子的复制对象】
snake_list.add(0,p); //吃豆子
grid[p.x][p.y].setBackground(Color.blue);
this.Count++;
this.setTitle("总分："+Count);
this.rand_bean(); //再产生一个豆子
}else{///////////////////无豆子吃
//取原蛇头坐标
int x=snake_list.get(0).x;
int y=snake_list.get(0).y;
//根据蛇头坐标推算出拟新增蛇头坐标
Point p=null;
if(Direction==1)p=new Point(x-1,y);//计算出向上的新坐标
if(Direction==2)p=new Point(x+1,y);//计算出向下的新坐标
if(Direction==3)p=new Point(x,y-1);//计算出向左的新坐标
if(Direction==4)p=new Point(x,y+1);//计算出向右的新坐标
//若拟新增蛇头碰壁，或缠绕则游戏结束
if(p.x0||p.x19|| p.y0||p.y19||is_cross(p)==true){
JOptionPane.showMessageDialog(null, "游戏结束！");
System.exit(0);
}
//向蛇体增加新的蛇头坐标,并使新蛇头可见
snake_list.add(0,p);
grid[p.x][p.y].setVisible(true);
//删除原蛇尾坐标，使蛇尾不可见
int x1=snake_list.get(snake_list.size()-1).x;
int y1=snake_list.get(snake_list.size()-1).y;
grid[x1][y1].setVisible(false);
snake_list.remove(snake_list.size()-1);
}
}
@Override
public void keyPressed(KeyEvent e) {
if(e.getKeyCode()==KeyEvent.VK_UP Direction!=2) Direction=1;
if(e.getKeyCode()==KeyEvent.VK_DOWN Direction!=1) Direction=2;
if(e.getKeyCode()==KeyEvent.VK_LEFT Direction!=4) Direction=3;
if(e.getKeyCode()==KeyEvent.VK_RIGHT Direction!=3) Direction=4;
}
@Override
public void keyReleased(KeyEvent e) { }
@Override
public void keyTyped(KeyEvent e) { }
public static void main(String[] args) throws InterruptedException {
Snake win=new Snake();
while(true){
win.snake_move();
Thread.sleep(300);
}
}
}
