第十次java作业
Posted 丁朝明
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public 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 = x + dx; y = y + dy; return("x是"+x+",y是"+y) } public static void main(String[] args) { point p1 = new point(4, 5); point p2 = new point(6, 4); System.out.println(p1.movePoint(4, 5)); System.out.println(p2.movePoint(6, 4)); } }
package homework1; public class Rectangle { double width; double length; public Rectangle(int length, int width) { this.length = length; this.width = width; } public double getArea() { return width * length; } public double getPer() { return width + length; } public void showAll() { System.out.println(width); System.out.println(length); System.out.println(getArea()); System.out.println(getPer()); } }
package homework1; public class Rectangle1 { public static void main(String[] args) { Rectangle a=new Rectangle(3,4); a.showAll(); } }
package homework2; public class bj { char coulour; int cpu; public void show(){ System.out.println("笔记本颜色是"+coulour+"色,"+"型号是"+cpu); } public bj(char coulour,int cpu){ super(); this.coulour=coulour; this.cpu=cpu; } public bj(){ super(); } public static void main(String[] args) { // TODO Auto-generated method stub bj c=new bj(); c.coulour=\'黑\'; c.cpu=1; c.show(); bj c1=new bj(\'白\',2); c1.show(); } }
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