bzu-java(四)

import java.util.Scanner;

public class test {
 public static void main(String args[])
 {  int a,b,c;
    Scanner s=new Scanner(System.in);
    a=s.nextInt();
    b=s.nextInt();
    c=s.nextInt();
    test t=new test();
    try{
        t.triangle(a,b,c);
        
    }
    catch(IllegalArgumentException e ){
        e.printStackTrace();
        e.getMessage();
    }
 }
 void triangle(int a,int b,int c){
     if((a+b)<c||(a+c)<b||(b+c)<a) 
             throw new IllegalArgumentException("不能构成三角形");
     else  System.out.println(a+" "+b+" "+c);
 }
}

import java.util.InputMismatchException;
import java.util.Scanner;
import java.util.regex.Matcher;

public class test2 {
public static void main(String args[]){
    Scanner s=new Scanner(System.in);
    int[] shuzu=new int[5];
    int i=0,shuzhi=s.nextInt();
    try{
        while(shuzhi!=0){
            shuzu[i]=shuzhi;
            shuzhi=s.nextInt();
            i++;
        }
    
        
    }
    catch(InputMismatchException e){
        System.out.println("请输入整数");
        
    }
    catch(ArrayIndexOutOfBoundsException e){
        System.out.println("请输入5个整数");
    }
    finally{
        System.out.println("欢迎使用本程序");
    }
        
}
}

转载于:https://www.cnblogs.com/ysy521/p/7767764.html