欧美一区二区三区老妇人-欧美做爰猛烈大尺度电-99久久夜色精品国产亚洲a-亚洲福利视频一区二区

100行Java代碼的簡(jiǎn)單介紹

求一個(gè)簡(jiǎn)單的JAVA游戲代碼,100行左右,謝謝!

import java.awt.Dimension;

創(chuàng)新互聯(lián)公司主要從事成都做網(wǎng)站、成都網(wǎng)站設(shè)計(jì)、網(wǎng)頁(yè)設(shè)計(jì)、企業(yè)做網(wǎng)站、公司建網(wǎng)站等業(yè)務(wù)。立足成都服務(wù)沐川,十年網(wǎng)站建設(shè)經(jīng)驗(yàn),價(jià)格優(yōu)惠、服務(wù)專業(yè),歡迎來(lái)電咨詢建站服務(wù):13518219792

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();

}

}

}

求個(gè)簡(jiǎn)單點(diǎn)的Java程序 100行左右。 需要解釋。

貪吃蛇游戲 望采納

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);//保存隨機(jī)豆子【坐標(biāo)】

int Direction = 1; //方向標(biāo)志 1:上 2:下 3:左 4:右

//構(gòu)造方法

public Snake()

{

//窗體初始化

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個(gè)按鈕

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);

}

//蛇體初始化

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);

//在動(dòng)態(tài)數(shù)組中保存蛇體按鈕坐標(biāo)【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("總分:0");

this.setVisible(true);

}

//該方法隨機(jī)一個(gè)豆子,且不在蛇體上,并使豆子可見(jiàn)

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);

}

//判斷擬增蛇頭是否與自身有碰撞

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;

}

//判斷蛇即將前進(jìn)位置是否有豆子,有返回true,無(wú)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;

}

//前進(jìn)一格

public void snake_move(){

if(isHaveBean()==true){//////////////有豆子吃

Point p=new Point(bean.x,bean.y);//【很重要,保證吃掉的是豆子的復(fù)制對(duì)象】

snake_list.add(0,p); //吃豆子

grid[p.x][p.y].setBackground(Color.blue);

this.Count++;

this.setTitle("總分:"+Count);

this.rand_bean(); //再產(chǎn)生一個(gè)豆子

}else{///////////////////無(wú)豆子吃

//取原蛇頭坐標(biāo)

int x=snake_list.get(0).x;

int y=snake_list.get(0).y;

//根據(jù)蛇頭坐標(biāo)推算出擬新增蛇頭坐標(biāo)

Point p=null;

if(Direction==1)p=new Point(x-1,y);//計(jì)算出向上的新坐標(biāo)

if(Direction==2)p=new Point(x+1,y);//計(jì)算出向下的新坐標(biāo)

if(Direction==3)p=new Point(x,y-1);//計(jì)算出向左的新坐標(biāo)

if(Direction==4)p=new Point(x,y+1);//計(jì)算出向右的新坐標(biāo)

//若擬新增蛇頭碰壁,或纏繞則游戲結(jié)束

if(p.x0||p.x19|| p.y0||p.y19||is_cross(p)==true){

JOptionPane.showMessageDialog(null, "游戲結(jié)束!");

System.exit(0);

}

//向蛇體增加新的蛇頭坐標(biāo),并使新蛇頭可見(jiàn)

snake_list.add(0,p);

grid[p.x][p.y].setVisible(true);

//刪除原蛇尾坐標(biāo),使蛇尾不可見(jiàn)

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);

}

}

}

如果Java要打100行的代碼,一般用Python要打大概多少行?

視具體代碼情況而定,視是否引用外部包而定,視個(gè)人編程書寫習(xí)慣而定。

具體的來(lái)說(shuō),Python可以將任意長(zhǎng)的代碼寫在一行上(其實(shí)好像java也可以這么干)。

所以行數(shù)說(shuō)明不了什么問(wèn)題。

平均來(lái)看,Java要打100行的代碼,Python大約需要50行代碼左右。

另外Python在某些問(wèn)題上,處理比Java要更消耗資源,不過(guò)Python用了很多多線程優(yōu)化,所以說(shuō)起來(lái),單機(jī)的運(yùn)行速度不相上下,但在服務(wù)器上運(yùn)行就能看出來(lái)Java是有明顯優(yōu)勢(shì)的。

用JAVA語(yǔ)言編寫100行以上的代碼,要求主要應(yīng)用string類中的equal()方法

class Person{

private String name;

private int age;

public Person(String name,int age){

this.name=name;

this.age=age;

}

public boolean equals(Object obj){

if( ! (obj instanceof Person)){

return false;

}

Person per1=this;

Person per2=(Person)obj;

boolean flag=false;

if(per1==per2){

flag=true;

}

else{

if(per1.name.equals(per2.name)per1.age==per2.age){

flag=true;

}

}

return flag;

}

public String toString(){

return "姓名:"+this.name+",年齡:"+this.age;

}

}

public class OODemo17{

public static void main(String []args){

Person p1=new Person("張三",23);

Person p2=new Person("張三",23);

System.out.println(p1.equals(p2));

Person p3=p2;

System.out.println(p2.equals(p3));

System.out.println(p1.equals("a string"));

}

}

輸出結(jié)果:

true

true

false

新聞名稱:100行Java代碼的簡(jiǎn)單介紹
網(wǎng)站URL:http://chinadenli.net/article4/dodeoie.html

成都網(wǎng)站建設(shè)公司_創(chuàng)新互聯(lián),為您提供用戶體驗(yàn)、靜態(tài)網(wǎng)站、品牌網(wǎng)站設(shè)計(jì)、外貿(mào)網(wǎng)站建設(shè)、網(wǎng)站改版、企業(yè)網(wǎng)站制作

廣告

聲明:本網(wǎng)站發(fā)布的內(nèi)容(圖片、視頻和文字)以用戶投稿、用戶轉(zhuǎn)載內(nèi)容為主,如果涉及侵權(quán)請(qǐng)盡快告知,我們將會(huì)在第一時(shí)間刪除。文章觀點(diǎn)不代表本網(wǎng)站立場(chǎng),如需處理請(qǐng)聯(lián)系客服。電話:028-86922220;郵箱:631063699@qq.com。內(nèi)容未經(jīng)允許不得轉(zhuǎn)載,或轉(zhuǎn)載時(shí)需注明來(lái)源: 創(chuàng)新互聯(lián)

手機(jī)網(wǎng)站建設(shè)