Ex7_3 코드
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package org.javaro.lecture;
public class Ex7_3 {
public static void main(String[] args) {
System.out.println("조병수-20191016-객체");
Dist3 dist1=new Dist3();
dist1.x1=10; dist1.y1=30;
dist1.x2=20; dist1.y2=60;
double c=dist1.dLength();
System.out.println("두점사이 거리는"+c);
}
}
class Dist3{
int x1,y1,x2,y2;
Dist3(){ }
public double dLength() {
return Math.sqrt((this.x2-this.x1)*(this.x2-this.x1)+(this.y2-this.y1)*(this.y2-this.y1));
}
}
]]>
실행창
