请用java语言设计程序实现：假设舞会上男女生各自一排，每次排头牵手跳舞

6 5 1 2 结果才是6；男排 女排 男序号 女序号

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package net;

import java.util.Scanner;

public class Test {

public static void main(String[] args) {

Scanner sc = new Scanner(System.in);

System.out.println("请输入男排人数：");

int boyArray = sc.nextInt();

System.out.println("请输入女排人数：");

int girlArray = sc.nextInt();

System.out.println("请输入男生序号：");

int boy = sc.nextInt();

System.out.println("请输入女生序号：");

int girl = sc.nextInt();

int count=0;

for(int i=1;i=boyArray*girlArray;i++){

if(iboyArray||igirlArray){

if(i==boyi==girl){

count=i;

System.out.println("该对男女第一次牵手跳舞的序号是a："+i);

break;

}

}

else if((i%boyArray==boy)(i%girlArray==girl)){

count=i;

System.out.println("该对男女第一次牵手跳舞的序号是："+i);

break;

}

}

if(count==0){

System.out.println("该对男女不可能一起跳舞！");

}

}

}

Java数据结构跳舞配对问题（队列的应用）

代码如下，可以直接运行。

public static void main(String[] args) {

final int M = 6; // number of girls，可改动

final int N = 7; // number of boys，可改动

int x = 3;// some boy，可改动

int y = 5;// some girl，可改动

String result = "";// 记录结果，即第二个问题

// 初始化，假设队列存放男女生编号，从1开始

QueueInteger boys = new LinkedListInteger();

for (int i = 1; i = N; i++) {

boys.add(i);

}

QueueInteger girls = new LinkedListInteger();

for (int i = 1; i = M; i++) {

girls.add(i);

}

// 跳舞开始

int min = boys.size() girls.size() ? girls.size() : boys.size();

int k = 1;// songs

int count = 2; // 求出两个值，可改动

while (k 1000) {//为了不死循环，这里假设最多有999支舞蹈

System.out.println("***This is the " + k + "st dance:");

for (int i = 0; i min; i++) {

// 跳舞，第一个问题：输出每曲配对情况

System.out.println("Boy " + boys.peek() + " = Girl "

+ girls.peek());

// 跳过的排到对尾

int boy = boys.remove();

boys.add(boy);

int girl = girls.remove();

girls.add(girl);

// 判断 x和y跳舞了没有

if (boy == x girl == y) {

result += k + ",";

count--;

}

}

if (count == 0)

break;

// next dance

k++;

}

// 结果

if (count == 0)

System.out.println("\n***Boy " + x + " and Girl " + y

+ " dance together in : " + result);//第二个问题的解答，跳了哪几支舞

else

System.out.println("\n***Boy " + x + " and Girl " + y

+ " have no chance to dance!");//第二个问题的解答，两人没机会跳舞

}

数据结构中的舞伴问题。用JAVA实现

/**

假设在周末舞会上，男士们（m人）和女士们（n人）进入舞厅时，各自排成一队。跳舞开始时，依次从男队和女队的队头上各出一人配成舞伴。若两队初始人数不相同，则较长的那一队中未配对者等待下一轮舞曲。现要求写一算法模拟上述舞伴配对问题。并m和n存在什么条件时，第x个（1 =x =m）男生才有可能和他心仪的第y个（1 =x =n）女生跳舞，在第几首曲子时？

*/

import java.util.ArrayList;

import java.util.List;

import java.io.BufferedReader;

import java.io.InputStreamReader;

public class Dance{

private List String boy=new ArrayList String();

private List String girl=new ArrayList String();

public Dance(int m,int n){

init(m,n);

}

public void init(int m,int n){

for(int i=0;i m;i++){

boy.add("man"+i);

}

for(int i=0;i n;i++){

girl.add("girl"+i);

}

}

public int getMin(){

return Math.min(boy.size(),girl.size());

}

public void go(){

String b="man1";

String g="girl2";

int count=0;

int i=0;

boolean bool=true;

while(bool){

if(i%getMin()==0)

System.out.println("第"+(++count)+"次:");

boolean bGirl=girl.get(i%girl.size()).equals(g);

boolean bBoy=boy.get(i%boy.size()).equals(b);

bool=!(bGirlbBoy);

System.out.println((boy.get((i)%boy.size())).toString());

System.out.println((girl.get((i)%girl.size())).toString());

i++;

}

System.out.println(b+"要在"+count+"首歌中才可以和"+g+"一起Dancing");

}

public static void main(String [] args)throws Exception{

int m;

int n;

System.out.println("请输入男士人数:");

m=input();

System.out.println("请输入女士人数:");

n=input();

Dance dance=new Dance(m,n);

dance.go();

}

public static int input()throws Exception{

int returnNum=0;

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

String line=br.readLine();

while(!line.equalsIgnoreCase("exit")){

try{

returnNum=new Integer(line);

if(returnNum 0) throw new Exception();

break;

}catch(Exception e){

System.out.println("输入数据有误!请重新输入,退出请按exit");

line=br.readLine();

}

}

return returnNum;

}

}

求java做动画代码

import java.awt.Canvas;

import java.awt.Color;

import java.awt.Dimension;

import java.awt.EventQueue;

import java.awt.Frame;

import java.awt.Graphics;

import java.awt.Graphics2D;

import java.awt.Image;

import java.awt.RenderingHints;

import java.awt.event.KeyEvent;

import java.awt.event.KeyListener;

import java.awt.event.WindowAdapter;

import java.awt.event.WindowEvent;

import java.awt.image.BufferedImage;

import java.io.File;

import java.io.IOException;

import javax.imageio.ImageIO;

public class TestImage extends Frame

{

private static final long serialVersionUID = 1L;

private static boolean PRESSED = false;

private static int pointX = 0;

private static int pointy = 200;

private static int RIGHT_GO = 0;

private static int LEFT_GO = 0;

private static int DIR = 0;

private static int ANGLE = 0;

private static int W = 50;

private static int H = 60;

private _Canvas canvas = null;

public TestImage ()

{

add (canvas = new _Canvas ());

setIgnoreRepaint (true);

requestFocus ();

}

public class _Canvas extends Canvas implements Runnable

{

private static final long serialVersionUID = 1L;

private BufferedImage bi = null;

private Image bufferedImage = null;

private Thread thread = null;

private long sleepTime = 10;

public _Canvas ()

{

try

{

bi = ImageIO.read (new File ("go.png"));

}

catch (IOException e)

{}

setBackground (Color.BLACK);

requestFocus ();

addKeyListener (new KeyListener ()

{

@Override

public void keyTyped ( KeyEvent e )

{}

@Override

public void keyReleased ( KeyEvent e )

{

RIGHT_GO = 0;

PRESSED = false;

}

@Override

public void keyPressed ( KeyEvent e )

{

// 38 40 37 39上下左右

DIR = e.getKeyCode ();

PRESSED = true;

}

});

}

@Override

public void paint ( Graphics g )

{

Graphics2D g2d = (Graphics2D) g;

g2d.setRenderingHint (RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);

g2d.drawImage (rotateImage (bi.getSubimage (RIGHT_GO, LEFT_GO, W, H), ANGLE, true), pointX, pointy, W, H,

this);

g2d.dispose ();

}

@Override

public void update ( Graphics g )

{

if (null == bufferedImage)

{

bufferedImage = createImage (getWidth (), getHeight ());

}

Graphics bufferedG = bufferedImage.getGraphics ();

bufferedG.clearRect (0, 0, getWidth (), getHeight ());

paint (bufferedG);

bufferedG.dispose ();

g.drawImage (bufferedImage, 0, 0, this);

g.dispose ();

}

public void start ()

{

thread = new Thread (this);

thread.setName ("TestImage");

thread.setPriority (Thread.MIN_PRIORITY);

thread.start ();

}

public synchronized void stop ()

{

thread = null;

notify ();

}

@Override

public void run ()

{

Thread me = Thread.currentThread ();

while (thread == me  !isShowing () || getSize ().width == 0)

{

try

{

Thread.sleep (555);

}

catch (InterruptedException e)

{

return;

}

}

while (thread == me  isShowing ())

{

if (PRESSED)

{

try

{

if (DIR == 39)

{

RIGHT_GO = RIGHT_GO + 50;

LEFT_GO = 0;

pointX = pointX + 1;

if (pointX  420)

{

ANGLE = 90;

pointX--;

pointy--;

W = 60;

H = 50;

}

if (RIGHT_GO  50)

{

RIGHT_GO = 0;

}

}

else if (DIR == 37)

{

pointX = pointX - 1;

RIGHT_GO = RIGHT_GO + 50;

LEFT_GO = 60;

if (pointX  0)

{

ANGLE = -90;

pointX++;

pointy--;

W = 60;

H = 50;

}

if (RIGHT_GO  50)

{

RIGHT_GO = 0;

}

}

else if (DIR == 38)

{

W = 50;

H = 60;

pointy = 150;

ANGLE = 0;

RIGHT_GO = 100;

}

else if (DIR == 40)

{

W = 50;

H = 60;

ANGLE = 0;

pointy = 200;

RIGHT_GO = 0;

}

Thread.sleep (sleepTime);

repaint ();

}

catch (InterruptedException e)

{

break;

}

}

else

{

RIGHT_GO = RIGHT_GO + 50;

LEFT_GO = 0;

pointX = pointX + 1;

if (RIGHT_GO  50)

{

RIGHT_GO = 0;

}

if (pointX  500)

{

pointX = 0;

}

try

{

Thread.sleep (sleepTime);

repaint ();

}

catch (InterruptedException e)

{

break;

}

}

}

thread = null;

}

}

/**

 * 旋转图像为指定角度

 * 

 * @param degree

 * @return

 */

public static BufferedImage rotateImage ( final BufferedImage image, final int angdeg, final boolean d )

{

int w = image.getWidth ();

int h = image.getHeight ();

int type = image.getColorModel ().getTransparency ();

BufferedImage img;

Graphics2D graphics2d;

( graphics2d = ( img = new BufferedImage (w, h, type) ).createGraphics () ).setRenderingHint (

RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);

graphics2d.rotate (d ? -Math.toRadians (angdeg) : Math.toRadians (angdeg), w / 2, h / 2);

graphics2d.drawImage (image, 0, 0, null);

graphics2d.dispose ();

return img;

}

public static void main ( String[] args )

{

EventQueue.invokeLater (new Runnable ()

{

@Override

public void run ()

{

final TestImage ti = new TestImage ();

ti.setSize (new Dimension (500, 300));

ti.setLocationRelativeTo (null);

ti.addWindowListener (new WindowAdapter ()

{

@Override

public void windowClosing ( WindowEvent e )

{

System.exit (0);

}

@Override

public void windowDeiconified ( WindowEvent e )

{

ti.canvas.start ();

}

@Override

public void windowIconified ( WindowEvent e )

{

ti.canvas.stop ();

}

});

ti.setResizable (false);

ti.canvas.start ();

ti.setVisible (true);

}

});

}

}

一道Java的编程题~~！！

regedit;

import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

import javax.swing.border.*;

import java.io.*;

public class Regedit extends JFrame {

private JLabel account = new JLabel("账号");

private JTextField aText = new JTextField(10);

private JLabel password = new JLabel("密码");

private JPasswordField pText = new JPasswordField(10);

private JLabel conpass = new JLabel("确认密码");

private JPasswordField cText = new JPasswordField(10);

private JLabel birthday = new JLabel(" 生日");

private JComboBox year = new JComboBox(data(11, 1985));

private JLabel y = new JLabel("年");

private JComboBox month = new JComboBox(data(13, 0));

private JLabel m = new JLabel("月");

private JComboBox day = new JComboBox(data(32, 0));

private JLabel d = new JLabel("日");

private JLabel sex = new JLabel("性别");

private ButtonGroup group = new ButtonGroup();

private JRadioButton man = new JRadioButton("男", false);

private JRadioButton woman = new JRadioButton("女", false);

private JLabel interest = new JLabel(" 兴趣");

private JCheckBox read = new JCheckBox("阅读");

private JCheckBox sing = new JCheckBox("唱歌");

private JCheckBox dance = new JCheckBox("跳舞");

private JLabel remakes = new JLabel(" 备注");

private JTextArea rText = new JTextArea(6, 15);

private JButton button = new JButton("注册");

private String name, pass1, pass2, birth = "", intre = "", se, remake;

public static void main(String[] args) {

new Regedit();

}

public Regedit() {

setTitle("Regedit");

JPanel tz = new JPanel(new GridLayout(1, 2));

JPanel tOne = new JPanel(new GridLayout(3, 2));

JPanel tTwo = new JPanel(new FlowLayout(FlowLayout.LEFT));

JPanel tThree = new JPanel(new BorderLayout());

JPanel tFour = new JPanel(new BorderLayout());

JPanel tFive = new JPanel(new GridLayout(3, 1));

JPanel tSix = new JPanel(new GridLayout(1, 2));

JPanel tSeven = new JPanel(new GridLayout(2, 1));

JPanel tEight = new JPanel(new GridLayout(2, 1));

JPanel tNine = new JPanel(new FlowLayout(FlowLayout.LEFT));

JPanel tTen = new JPanel(new GridLayout(1, 2));

setLayout(new GridLayout(1, 2));

tOne.add(account);

tOne.add(aText);

aText.addActionListener(new Textaction(aText));

tOne.add(password);

tOne.add(pText);

pText.addActionListener(new Textaction(pText));

pText.setEchoChar('*');

tOne.add(conpass);

tOne.add(cText);

cText.addActionListener(new Textaction(cText));

cText.setEchoChar('*');

tTwo.add(birthday);

tTwo.add(year);

year.addActionListener(new birthday(year));

tTwo.add(y);

tTwo.add(month);

month.addActionListener(new birthday(month));

tTwo.add(m);

tTwo.add(day);

day.addActionListener(new birthday(day));

tTwo.add(d);

tSix.add(sex);

group.add(man);

man.addActionListener(new sex());

group.add(woman);

woman.addActionListener(new sex());

tSeven.add(man);

tSeven.add(woman);

tSeven.setBorder(BorderFactory.createLineBorder(Color.gray));

tSix.add(tSeven);

tFour.add(interest, BorderLayout.WEST);

tFive.add(read);

read.addActionListener(new interest(read));

tFive.add(sing);

sing.addActionListener(new interest(sing));

tFive.add(dance);

dance.addActionListener(new interest(dance));

tFive.setBorder(BorderFactory.createLineBorder(Color.gray));

tFour.add(tFive);

tNine.add(remakes);

rText.setBorder(BorderFactory.createLineBorder(Color.gray));

tNine.add(rText);

rText.setLineWrap(true);

tNine.add(button);

button.addActionListener(new button());

tz.add(tOne);

tThree.add(tTwo, BorderLayout.NORTH);

tThree.add(tFour);

tz.add(tThree);

tEight.add(tz);

tTen.add(tSix);

tTen.add(tNine);

tEight.add(tTen);

add(tEight);

pack();

setVisible(true);

setResizable(false);

setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

}

private Integer[] data(int day, int j) {

Integer[] data = new Integer[day];

data[0] = null;

if (j == 0)

j = 1;

for (int i = 1; i data.length; i++) {

data[i] = j + i - 1;

}

return data;

}

class Textaction implements ActionListener {

private JTextField text;

public Textaction(JTextField JTF) {

text = JTF;

}

public void actionPerformed(ActionEvent e) {

if (e.getSource() == aText) {

name = text.getText();

FocusManager.getCurrentManager().focusNextComponent();

}

if (e.getSource() == pText) {

FocusManager.getCurrentManager().focusNextComponent();

pass1 = text.getText();

}

if (e.getSource() == cText) {

pass2 = text.getText();

FocusManager.getCurrentManager().focusNextComponent();

}

}

}

class birthday implements ActionListener {

private JComboBox combo = new JComboBox();

public birthday(JComboBox JCB) {

combo = JCB;

}

public void actionPerformed(ActionEvent e) {

birth += combo.getSelectedItem() + " ";

}

}

class sex implements ActionListener {

public void actionPerformed(ActionEvent e) {

se = e.getActionCommand();

}

}

class interest implements ActionListener {

private JCheckBox check;

public interest(JCheckBox JBC) {

check = JBC;

}

public void actionPerformed(ActionEvent e) {

if (check.isSelected()) {

intre += e.getActionCommand() + " ";

}

}

}

class button implements ActionListener {

public void actionPerformed(ActionEvent e) {

int result = JOptionPane.showConfirmDialog(null, "您确定注册吗?", "请确认",

JOptionPane.YES_NO_OPTION);

if (result == JOptionPane.OK_OPTION) {

remake = remakes.getText();

try {

FileWriter out = new FileWriter("D:/Information.txt", true);

out.write(name + " " + pass1 + " " + se + " " + birth + " "

+ intre + " " + remake + "\r\n");

out.close();

} catch (IOException io) {

io.getStackTrace();

}

}

}

}

}

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