console.java

来自「半年的java基础联系源码！现在看了破！对于初学java的朋友能帮上忙就用吧」· Java 代码 · 共 46 行

import java.io.*;
public class Console
{
   public static String readString()
   {
       String str=new String();
       BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
       try
       {
          str =in.readLine();
       }
       catch(IOException e)
       {
          System.out.println("Console.readString:Unkown error.....");
          System.exit(-1);
       }
       return str;
    }
    public static double readDouble()
    {
       try 
       {
           return Double.valueOf(readString().trim()).doubleValue();
       }
       catch(NumberFormatException ne)
       {
          System.err.println("not a double....");
          System.exit(-1);
          return 0.0;
       }
     }
     public static int readInt()
     {
        try 
        { 
           return Integer.valueOf(readString().trim()).intValue();
        }
        catch(NumberFormatException ne)
        {
           System.err.println("Not a integer....");
           System.exit(-1);
           return -1;
        }
      }
}