直角三角形判定（Sides of a Right Triangle）

//JHTP Exercise 4.36: Sides of a Right Triangle
//by pandenghuang@163.com
/*Write an application that reads three nonzero integers and determines
and prints whether they could represent the sides of a right triangle.*/
import java.util.Scanner;

public class SidesOfRightTraingles
{

public static void main(String[] args)
{
int side1=0;
int side2=0;
int side3=0;
boolean isTriangle=false;
boolean isRightTriangle=false;

Scanner input=new Scanner(System.in);

System.out.print("请输入第一个数字：");
side1=input.nextInt();
System.out.print("请输入第二个数字：");
side2=input.nextInt();
System.out.print("请输入第三个数字：");
side3=input.nextInt();

isTriangle=side1+side2>side3 && side2+side3>side1 && side1+side3>side2;
isRightTriangle=(side1*side1==side2*side2+side3*side3)||(side2*side2==side1*side1+side3*side3)||((side3*side3==side2*side2+side1*side1));

if (isTriangle&&isRightTriangle)
System.out.printf("\n%d,%d,%d可作为直角三角形边长",side1,side2,side3);
else
System.out.printf("\n%d,%d,%d不可作为直角三角形边长",side1,side2,side3);
}

}