38 lines
661 B
Java
38 lines
661 B
Java
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package exp3;
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import java.lang.Math;
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class Line extends Point{
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protected int x,y;
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Line(int a,int b){
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super(a,b);
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setLine(a,b);
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}
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public void setLine(int x,int y) {
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this.x=x+x;
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this.y=y+y;
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}
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public double length(){
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int x1=super.x,y1=super.y,x2=this.x,y2=this.y;
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return Math.sqrt((x2-x1)*(x2-x1)+(y2-y1)*(y2-y1));
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}
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public String toString(){
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return "直线端点：["+super.x+","+super.y+"]["+x+","+y+"]直线长度："+this.length();
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}
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public int getX() {
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return x;
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}
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public int getY() {
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return y;
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}
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public void setX(int x) {
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this.x = x;
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}
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public void setY(int y) {
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this.y = y;
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}
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}
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