?? stick.java
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import java.awt.*;class Stick implements DrawingObj { private int x, y; private int height; private int width = 16; private Color col = Color.red; private Font font = new Font("Helvetica", Font.BOLD, 10); public Stick(int height, int x, int y) { this.height = height*3; this.x = x; this.y = y; } public Stick(Stick stick) { this.height = stick.getHeight()*3; this.x = stick.getX(); this.y = stick.getY(); this.width = stick.getWidth(); this.col = stick.getColor(); } public int getHeight() { return height/3; } public void setWidth(int width) { this.width = width; } public int getWidth() { return width; } public void setColor(Color col) { this.col = col; } public Color getColor() { return col; } public int getX() { return x; } public int getY() { return y; } public void move(int x, int y) { this.x = x; this.y = y; } public void draw(Graphics g) { g.setColor(col); g.fillRect(x, y, width, height); g.setColor(Color.black); g.drawRect(x, y, width, height); if (col == Color.red || col == Color.blue) g.setColor(Color.white); else g.setColor(Color.black); g.setFont(font); g.drawString(""+(height/3), x + 3, y + 15); }}?? 快捷鍵說明
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