Ex7_4 코드
<![CDATA[
package org.javaro.lecture;
public class Ex7_4 {
public static void main(String[] args) {
System.out.println("조병수-20191016-객체");
Dist4 dist1=new Dist4();
dist1.setX1(10); dist1.setY1(30);
dist1.setX2(20); dist1.setY2(60);
double c=dist1.dLength();
System.out.println("두점사이 거리는"+c);
}
}
class Dist4{
private int x1,y1,x2,y2;
public void setX1(int x1) {
this.x1=x1;
}
public void setY1(int y1) {
this.y1=y1;
}
public void setX2(int x2) {
this.x2=x2;
}
public void setY2(int y2) {
this.y2=y2;
}
public double dLength() {
return Math.sqrt((this.x2-this.x1)*(this.x2-this.x1)+(this.y2-this.y1)*(this.y2-this.y1));
}
}
]]>
실행창
