求java小游戲源代碼

表1. CheckerDrag.java

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// CheckerDrag.javaimport java.awt.*;import java.awt.event.*;public class CheckerDrag extends java.applet.Applet{ // Dimension of checkerboard square. // 棋盤(pán)上每個(gè)小方格的尺寸 final static int SQUAREDIM = 40; // Dimension of checkerboard -- includes black outline. // 棋盤(pán)的尺寸 – 包括黑色的輪廓線 final static int BOARDDIM = 8 * SQUAREDIM + 2; // Dimension of checker -- 3/4 the dimension of a square. // 棋子的尺寸 – 方格尺寸的3/4 final static int CHECKERDIM = 3 * SQUAREDIM / 4; // Square colors are dark green or white. // 方格的顏色為深綠色或者白色 final static Color darkGreen = new Color (0, 128, 0); // Dragging flag -- set to true when user presses mouse button over checker // and cleared to false when user releases mouse button. // 拖動(dòng)標(biāo)記 --當(dāng)用戶(hù)在棋子上按下鼠標(biāo)按鍵時(shí)設(shè)為true， // 釋放鼠標(biāo)按鍵時(shí)設(shè)為false boolean inDrag = false; // Left coordinate of checkerboard's upper-left corner. // 棋盤(pán)左上角的左方向坐標(biāo) int boardx; // Top coordinate of checkerboard's upper-left corner. //棋盤(pán)左上角的上方向坐標(biāo) int boardy; // Left coordinate of checker rectangle origin (upper-left corner). // 棋子矩形原點(diǎn)(左上角)的左方向坐標(biāo) int ox; // Top coordinate of checker rectangle origin (upper-left corner). // 棋子矩形原點(diǎn)(左上角)的上方向坐標(biāo) int oy; // Left displacement between mouse coordinates at time of press and checker // rectangle origin. // 在按鍵時(shí)的鼠標(biāo)坐標(biāo)與棋子矩形原點(diǎn)之間的左方向位移 int relx; // Top displacement between mouse coordinates at time of press and checker // rectangle origin. // 在按鍵時(shí)的鼠標(biāo)坐標(biāo)與棋子矩形原點(diǎn)之間的上方向位移 int rely; // Width of applet drawing area. // applet繪圖區(qū)域的寬度 int width; // Height of applet drawing area. // applet繪圖區(qū)域的高度 int height; // Image buffer. // 圖像緩沖 Image imBuffer; // Graphics context associated with image buffer. // 圖像緩沖相關(guān)聯(lián)的圖形背景 Graphics imG; public void init () { // Obtain the size of the applet's drawing area. // 獲取applet繪圖區(qū)域的尺寸 width = getSize ().width; height = getSize ().height; // Create image buffer. // 創(chuàng)建圖像緩沖 imBuffer = createImage (width, height); // Retrieve graphics context associated with image buffer. // 取出圖像緩沖相關(guān)聯(lián)的圖形背景 imG = imBuffer.getGraphics (); // Initialize checkerboard's origin, so that board is centered. // 初始化棋盤(pán)的原點(diǎn)，使棋盤(pán)在屏幕上居中 boardx = (width - BOARDDIM) / 2 + 1; boardy = (height - BOARDDIM) / 2 + 1; // Initialize checker's rectangle's starting origin so that checker is // centered in the square located in the top row and second column from // the left. // 初始化棋子矩形的起始原點(diǎn)，使得棋子在第一行左數(shù)第二列的方格里居中 ox = boardx + SQUAREDIM + (SQUAREDIM - CHECKERDIM) / 2 + 1; oy = boardy + (SQUAREDIM - CHECKERDIM) / 2 + 1; // Attach a mouse listener to the applet. That listener listens for // mouse-button press and mouse-button release events. // 向applet添加一個(gè)用來(lái)監(jiān)聽(tīng)鼠標(biāo)按鍵的按下和釋放事件的鼠標(biāo)監(jiān)聽(tīng)器 addMouseListener (new MouseAdapter () { public void mousePressed (MouseEvent e) { // Obtain mouse coordinates at time of press. // 獲取按鍵時(shí)的鼠標(biāo)坐標(biāo) int x = e.getX (); int y = e.getY (); // If mouse is over draggable checker at time // of press (i.e., contains (x, y) returns // true), save distance between current mouse // coordinates and draggable checker origin // (which will always be positive) and set drag // flag to true (to indicate drag in progress). // 在按鍵時(shí)如果鼠標(biāo)位于可拖動(dòng)的棋子上方 // （也就是contains (x, y)返回true），則保存當(dāng)前 // 鼠標(biāo)坐標(biāo)與棋子的原點(diǎn)之間的距離（始終為正值）并且 // 將拖動(dòng)標(biāo)志設(shè)為true（用來(lái)表明正處在拖動(dòng)過(guò)程中） if (contains (x, y)) { relx = x - ox; rely = y - oy; inDrag = true; } } boolean contains (int x, int y) { // Calculate center of draggable checker. // 計(jì)算棋子的中心位置 int cox = ox + CHECKERDIM / 2; int coy = oy + CHECKERDIM / 2; // Return true if (x, y) locates with bounds // of draggable checker. CHECKERDIM / 2 is the // radius. // 如果(x, y)仍處于棋子范圍內(nèi)則返回true // CHECKERDIM / 2為半徑 return (cox - x) * (cox - x) + (coy - y) * (coy - y) CHECKERDIM / 2 * CHECKERDIM / 2; } public void mouseReleased (MouseEvent e) { // When mouse is released, clear inDrag (to // indicate no drag in progress) if inDrag is // already set. // 當(dāng)鼠標(biāo)按鍵被釋放時(shí)，如果inDrag已經(jīng)為true， // 則將其置為false（用來(lái)表明不在拖動(dòng)過(guò)程中） if (inDrag) inDrag = false; } }); // Attach a mouse motion listener to the applet. That listener listens // for mouse drag events. //向applet添加一個(gè)用來(lái)監(jiān)聽(tīng)鼠標(biāo)拖動(dòng)事件的鼠標(biāo)運(yùn)動(dòng)監(jiān)聽(tīng)器 addMouseMotionListener (new MouseMotionAdapter () { public void mouseDragged (MouseEvent e) { if (inDrag) { // Calculate draggable checker's new // origin (the upper-left corner of // the checker rectangle). // 計(jì)算棋子新的原點(diǎn)（棋子矩形的左上角） int tmpox = e.getX () - relx; int tmpoy = e.getY () - rely; // If the checker is not being moved // (at least partly) off board, // assign the previously calculated // origin (tmpox, tmpoy) as the // permanent origin (ox, oy), and // redraw the display area (with the // draggable checker at the new // coordinates). // 如果棋子（至少是棋子的一部分）沒(méi)有被 // 移出棋盤(pán)，則將之前計(jì)算的原點(diǎn) // (tmpox, tmpoy)賦值給永久性的原點(diǎn)(ox, oy)， // 并且刷新顯示區(qū)域（此時(shí)的棋子已經(jīng)位于新坐標(biāo)上） if (tmpox boardx tmpoy boardy tmpox + CHECKERDIM boardx + BOARDDIM tmpoy + CHECKERDIM boardy + BOARDDIM) { ox = tmpox; oy = tmpoy; repaint (); } } } }); } public void paint (Graphics g) { // Paint the checkerboard over which the checker will be dragged. // 在棋子將要被拖動(dòng)的位置上繪制棋盤(pán) paintCheckerBoard (imG, boardx, boardy); // Paint the checker that will be dragged. // 繪制即將被拖動(dòng)的棋子 paintChecker (imG, ox, oy); // Draw contents of image buffer. // 繪制圖像緩沖的內(nèi)容 g.drawImage (imBuffer, 0, 0, this); } void paintChecker (Graphics g, int x, int y) { // Set checker shadow color. // 設(shè)置棋子陰影的顏色 g.setColor (Color.black); // Paint checker shadow. // 繪制棋子的陰影 g.fillOval (x, y, CHECKERDIM, CHECKERDIM); // Set checker color. // 設(shè)置棋子顏色 g.setColor (Color.red); // Paint checker. // 繪制棋子 g.fillOval (x, y, CHECKERDIM - CHECKERDIM / 13, CHECKERDIM - CHECKERDIM / 13); } void paintCheckerBoard (Graphics g, int x, int y) { // Paint checkerboard outline. // 繪制棋盤(pán)輪廓線 g.setColor (Color.black); g.drawRect (x, y, 8 * SQUAREDIM + 1, 8 * SQUAREDIM + 1); // Paint checkerboard. // 繪制棋盤(pán) for (int row = 0; row 8; row++) { g.setColor (((row 1) != 0) ? darkGreen : Color.white); for (int col = 0; col 8; col++) { g.fillRect (x + 1 + col * SQUAREDIM, y + 1 + row * SQUAREDIM, SQUAREDIM, SQUAREDIM); g.setColor ((g.getColor () == darkGreen) ? Color.white : darkGreen); } } } // The AWT invokes the update() method in response to the repaint() method // calls that are made as a checker is dragged. The default implementation // of this method, which is inherited from the Container class, clears the // applet's drawing area to the background color prior to calling paint(). // This clearing followed by drawing causes flicker. CheckerDrag overrides // update() to prevent the background from being cleared, which eliminates // the flicker. // AWT調(diào)用了update()方法來(lái)響應(yīng)拖動(dòng)棋子時(shí)所調(diào)用的repaint()方法。該方法從 // Container類(lèi)繼承的默認(rèn)實(shí)現(xiàn)會(huì)在調(diào)用paint()之前，將applet的繪圖區(qū)域清除 // 為背景色，這種繪制之后的清除就導(dǎo)致了閃爍。CheckerDrag重寫(xiě)了update()來(lái) // 防止背景被清除，從而消除了閃爍。 public void update (Graphics g) { paint (g); }}

用JAVA編寫(xiě)一個(gè)課程類(lèi)Cource

編寫(xiě)Cource

/**

*?一、編寫(xiě)一個(gè)課程類(lèi)Course，包含：

*?1、3個(gè)私有成員變量：課程編號(hào)（cNumber）、課程名(cName)和學(xué)分?jǐn)?shù)(cUnit)；

*?2、1個(gè)構(gòu)造器方法：帶3個(gè)參數(shù)的構(gòu)造器方法，用于初始化課程編號(hào)、課程名和學(xué)分。

*?3、成員方法：(1)cNumber?、cName、cUnit屬性的set和get方法

*?(2)printCourceInfo：用于輸出課程的相關(guān)信息；

*?4、編寫(xiě)Cource類(lèi)的測(cè)試程序，創(chuàng)建課程對(duì)象：編號(hào)為070401，課程名為Java程序設(shè)計(jì)，學(xué)分為4。要求輸出課

*/

public?class?Course?{

private?int?cNumber;

private?String?cName;

private?int?cUnit;

public?Course(int?cNumber,?String?cName,?int?cUnit)?{

this.cNumber?=?cNumber;

this.cName?=?cName;

this.cUnit?=?cUnit;

}

public?void?setcNumber(int?cNumber)?{

this.cNumber?=?cNumber;

}

public?void?setcName(String?cName)?{

this.cName?=?cName;

}

public?void?setcUnit(int?cUnit)?{

this.cUnit?=?cUnit;

}

public?int?getcNumber()?{

return?cNumber;

}

public?String?getcName()?{

return?cName;

}

public?int?getcUnit()?{

return?cUnit;

}

public?void?printCourseInfo()?{

System.out.println("課程編號(hào):?"?+?cNumber?+?"??課程名"?+?cName?+?"??學(xué)分?jǐn)?shù)"?+?cUnit);

}

}

編寫(xiě)測(cè)試類(lèi)

public?class?TestCourse{

public?static?void?main(String[]?args){

Course?course=new?Course(070401,"Java程序設(shè)計(jì)",4);

course.printCourseInfo();

}

}

代碼是AndroidStudio里寫(xiě)的。測(cè)試不了~不過(guò)肯定沒(méi)錯(cuò)的（吧~）

用IDE寫(xiě)的話可以直接生成get set 和構(gòu)造函數(shù)的。這種代碼都不怎么需要寫(xiě)的。不過(guò)如果是新手的話寫(xiě)多點(diǎn)沒(méi)壞處。

JAVA課程設(shè)計(jì)報(bào)告：將當(dāng)前窗體壓縮成ZIP文件（附上源代碼）。

樓主，看java.io包里面的Serializable API 文檔和ObjectInputStream

ObjectOutputStream