libs/java/StdIn.java

   1 //
   2 // Body of StdIn interface.
   3 // This file implements the code of the StdIn.cp file.
   4 // kjg June 2004.
   5
   6 package CP.StdIn;
   7
   8 import java.io.*;
   9
  10 public class StdIn
  11 {
  12         private static BufferedReader rdr =
  13                new BufferedReader(new InputStreamReader(System.in));
  14
  15         public static void ReadLn(char[] arr) throws IOException {
  16             String str = rdr.readLine();
  17             if (str == null) {
  18                 arr[0] = '\0'; return;
  19             }
  20             int len = arr.length;
  21             int sLn = str.length();
  22             len = (sLn < len ? sLn : len-1);
  23             str.getChars(0, len, arr, 0);
  24             arr[len] = '\0';
  25         }
  26
  27         public static char Read() throws IOException
  28         {
  29             return (char)rdr.read();
  30         }
  31
  32         public static boolean More() throws IOException
  33         {
  34             return true;         // temporary fix until we figure out
  35          // return rdr.ready();  // how to get the same semantics for
  36         }                        // .NET and the JVM (kjg Sep. 2004)
  37
  38         public static void SkipLn() throws IOException
  39         {
  40             String str = rdr.readLine(); // and discard str
  41         }
  42
  43 } // end of public class StdIn