Last requirement not met

Question about the task

Triangle

Java Syntax, Level 4, Lesson 3

Under discussion

The first 3 reqs are met, where did I get the last one wrong?

Let's write a program that will calculate the possibility of the existence of a triangle based on the lengths of sides.
To do this, you need to:

Enter three numbers from the keyboard — the lengths of the sides of the assumed triangle.
Use the lengths of the sides to determine whether a triangle is possible.

Depending on the result, display "It's a triangle" or "It's not a triangle".

To make this determination, you need to compare each side with the sum of the other two sides.
That is, you will need to perform three comparisons:

If each comparison indicates that the side is less than the sum of the other two sides, then a triangle with these sides does exist.
If even one comparison indicates that the side is greater than or equal to the sum of the other two sides, then a triangle with these sides does not exist.

Requirements:

The program should read three number from the keyboard.
The program should display text on the screen in accordance with the task conditions.
If a triangle with the entered sides is possible, then you need to display "It's a triangle".
If a triangle with the entered sides is not possible, then you need to display "It's not a triangle".

package en.codegym.task.pro.task03.task0306; import java.util.Scanner; /* Triangle */ public class Solution { private static final String TRIANGLE_EXISTS = "It's a triangle"; private static final String TRIANGLE_DOES_NOT_EXIST = "It's not a triangle"; public static void main(String[] args) { Scanner console = new Scanner(System.in); double a = console.nextDouble(); double b = console.nextDouble(); double c = console.nextDouble(); boolean isTriangle = (a < (b+c) && b < (a+c) && c < (b+c)); if (isTriangle) { System.out.println(TRIANGLE_EXISTS); } else { System.out.println(TRIANGLE_DOES_NOT_EXIST); } } }