import java.util.Scanner; public class Solution { public static void main(String[] args) { Scanner input = new Scanner(System.in); System.out.print("Enter three edges: "); double side1 = input.nextDouble(); double side2 = input.nextDouble(); double side3 = input.nextDouble(); input.close(); if(side1 + side2 > side3 && side1 + side3 > side2 && side2 + side3 > side1) { double perimeter = side1 + side2 + side3; System.out.println("The perimeter of the triangle is " + perimeter); } else System.out.println("The three sides can not be a triangle"); } }