java 三角形判断

import java.util.Arrays;  
import java.util.Scanner;  
  
public class 三角形判断 {  
  
    public static int[] side;  
    public static void main(String[] args) {  
        side=new int[3];  
        Scanner input=new Scanner(System.in);         
        try {  
            side[0]=input.nextInt();  
            side[1]=input.nextInt();  
            side[2]=input.nextInt();  
            Arrays.sort(side);  
            triangle(side[0],side[1],side[2]);  
        } catch (IllegalArgumentException e) {  
            e.getMessage();  
            e.printStackTrace();  
        }catch (Exception e) {  
            e.printStackTrace();  
        }finally {  
            input.close();  
        }  
    }  
      
    public static void triangle(int a,int b,int c)throws Exception{  
        if((a+b>c)&&(a-b<c))  
            System.out.println("可以构成三角形");  
        else  
            throw new IllegalArgumentException("三条边不能构成三角形");  
    }  
  
}