三角形的兩邊長大雨另一邊

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import java.util.Scanner;public class Triangle {    public static void main(String[] args){        double d;        System.out.println("請輸入三角形的三條邊的長度！");        Scanner input = new Scanner(System.in);        double a = input.nextDouble();        double b = input.nextDouble();        double c = input.nextDouble();        if(a <= b){            d = a;            a = b;            b = d;            if(a <= c){                d = a;                a = c;                c = d;            }        }        if(a >= b + c){            System.out.println("Can edges " + a + "," + b + " and " + c + " form a triangle? false");        }        else{            System.out.println("Can edges " + a + "," + b + " and " + c + " form a triangle? ture");        }    }}

讀取三角形的三條邊，並確定輸入是否有效。如果另外兩邊和大於另一邊則輸入有效。