Java编程异常简单代码示例

package 异常;import java.util.Arrays;import java.util.InputMismatchException;import java.util.Scanner;public class TestTriangle {  public static void triangle(int a, int b,int c) throws IllegalArgumentException, InputMismatchException{    int x[] = new int[3];    x[0] = a;    x[1] = b;    x[2] = c;    Arrays.sort(x);    if ((x[0]+x[1]>x[2])&&(x[2]-x[1]<x[0]))      System.out.println("三角形的三边长为："+a+","+b+","+c);    else      throw new IllegalArgumentException();  }  public static void main(String[] args) {    int a=0, b=0, c=0;    Scanner in = new Scanner(System.in);    System.out.println("请分别输入三角形的三边长：");    try{      a = in.nextInt();      b = in.nextInt();      c = in.nextInt();      triangle(a, b, c);    }catch(InputMismatchException e1){      System.err.println("请输入整数作为三角形的边长！");      e1.printStackTrace();    }catch(IllegalArgumentException e2){      System.err.println(a+","+b+","+c+"不能构成三角形");    }  }}