hw5_27.java

JAVA 2面向对象程序设计(习题参考答案1-8).rar

import java.io.*;
public class hw5_27
{
   public static void main (String args[])throws IOException
   {
      int n1,n2,n3;
      String str1,str2,str3;
      BufferedReader buf1,buf2,buf3;      
      buf1 = new BufferedReader(new InputStreamReader(System.in));
      buf2 = new BufferedReader(new InputStreamReader(System.in));
      buf3 = new BufferedReader(new InputStreamReader(System.in));
      System.out.println("请输入3边长之值");
      str1 = buf1.readLine();
      str2 = buf2.readLine(); 
      str3 = buf3.readLine();      
      n1= Integer.parseInt(str1);
      n2= Integer.parseInt(str2);
      n3= Integer.parseInt(str3);
      if ((n1+n2)>n3)
      {
         if ((n1+n3)>n2)
         {
            if ((n2+n3)>n1)
               System.out.println("此3边可构成3角形");
         }
      }
      else
         System.out.println("此3边无法构成3角形");
                   
     }
}