?? myrect2.java
字號:
import java.awt.Point;
class MyRect2 {
int x1 = 0;
int y1 = 0;
int x2 = 0;
int y2 = 0;
MyRect2(int x1, int y1, int x2, int y2) {
this.x1 = x1;
this.y1 = y1;
this.x2 = x2;
this.y2 = y2;
}
MyRect2(Point topLeft, Point bottomRight) {
x1 = topLeft.x;
y1 = topLeft.y;
x2 = bottomRight.x;
y2 = bottomRight.y;
}
MyRect2(Point topLeft, int w, int h) {
x1 = topLeft.x;
y1 = topLeft.y;
x2 = (x1 + w);
y2 = (y1 + h);
}
void printRect() {
System.out.print("MyRect: <" + x1 + ", " + y1);
System.out.println(", " + x2 + ", " + y2 + ">");
}
public static void main(String[] arguments) {
MyRect2 rect;
System.out.println("Calling MyRect2 with coordinates 25,25 50,50:");
rect = new MyRect2(25, 25, 50,50);
rect.printRect();
System.out.println("***");
System.out.println("Calling MyRect2 with points (10,10), (20,20):");
rect= new MyRect2(new Point(10,10), new Point(20,20));
rect.printRect();
System.out.println("***");
System.out.print("Calling MyRect2 with 1 point (10,10)");
System.out.println(" width (50) and height (50):");
rect = new MyRect2(new Point(10,10), 50, 50);
rect.printRect();
System.out.println("***");
}
}
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