JAVA第十一次作业
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package www; public class test1 { public static class Point { int x; int y; public Point(int x0, int y0) { super(); this.x = x0; this.y = y0; } public Point() { super(); } public String movePoint(int dx, int dy) { x = dx + x; y = dy + y; return ("x为" + x + ",y为" + y); } public static void main(String[] args) { Point p1 = new Point(1, 2); System.out.println(p1.movePoint(4, 3)); Point p2 = new Point(2, 3); System.out.println(p2.movePoint(4, 5)); } } }
package www; public class Rectangle { int length; int width; public int getArea(int length, int width) { return length * width; } public int getPer(int length, int width) { return (length + width) * 2; } public void showAll() { System.out.println("长方形的长为"+length+",宽为" +width+ ",周长为"+ (length + width) * 2 + ",面积为" + length * width); } public Rectangle(int length, int width) { super(); this.length = length; this.width = width; } public static void main(String[] args) { Rectangle r = new Rectangle(1, 2); r.showAll(); } }
package www; public class Computer { char coulour; int cpu; public void show(){ System.out.println("笔记本颜色是"+coulour+"色"+",型号是"+cpu); } public Computer(char coulour,int cpu){ super(); this.coulour=coulour; this.cpu=cpu; } public Computer(){ super(); } } package www; public class com { public static void main(String[] args) { // TODO 自动生成的方法存根 Computer c = new Computer(); c.coulour = \'黑\'; c.cpu = 123; c.show(); Computer c1 = new Computer(\'白\', 456); c1.show(); } }
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