58 lines
1.2 KiB
Java
58 lines
1.2 KiB
Java
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public class TestPolygon {
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public static void printArea(Rectangle rect) {
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float area = rect.calArea();
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System.out.println("The area of the " + rect.getPolytype() + " is " + area);
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}
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public static void printArea(Triangle tri) {
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float area = tri.calArea();
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System.out.println("The area of the " + tri.getPolytype() + " is " + area);
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}
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public static void main(String[] args ) {
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Rectangle rect = new Rectangle("Rectangle", 3.0f, 4.0f);
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printArea(rect); // static binding
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rect.printWidthHeight();
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Triangle triangle= new Triangle("Triangle", 3.0f, 4.0f);
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printArea(triangle); // static binding
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triangle.printWidthHeight();
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}
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public static void printArea(Polygon poly) {
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float area = poly.calArea( );
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System.out.println("The area of the " + poly.getPolytype() + " is " + area);
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}
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public static void main2(String[] args ) {
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Rectangle rect = new Rectangle("Rectangle", 3.0f, 4.0f);
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printArea(rect);
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rect.printWidthHeight();
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Triangle triangle= new Triangle("Triangle", 3.0f, 4.0f);
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printArea(triangle);
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triangle.printWidthHeight();
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}
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}
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