java算法大全

								import java.awt.*;								class DimIndicator implements DrawingObj {				    int x, y, left, right;				    FloatingBox box;								    public DimIndicator(int x, int y, int left, int right, 					String str, Font font) {					this.x = x;					this.y = y;					this.left = left;					this.right = right;					this.box = new FloatingBox(str, font);;					box.move(x - 32, y + 15);				    }								    public int getX() {					return x;				    }								    public int getY() {					return y;				    }								    public void move(int x, int y) {					this.left += x - this.x;					this.right += x - this.x;					this.x = x;					this.y = y;				    }								    public void draw(Graphics g) {					g.setColor(Color.black);					g.drawLine(left, y, left, y+2);					g.drawLine(right - 2, y, right - 2, y+2);					g.drawLine(left, y+2, right - 2, y+2);					g.drawLine(x, y + 2, x, y+15);					box.draw(g);				    }				}