Xinu Helper Class

Here is the full Java source code for the Xinu.java helper class.

import java.util.Scanner; public class Xinu {

   public static int readint()
   {
   Scanner scanner = new Scanner(System.in);
   return scanner.nextInt();
   }
   public static void printint(int x)
   {
   System.out.println(x);
   }
   public static void print(String s)
   {
   System.out.print(s);
   }
   public static void println()
   {
   System.out.println();
   }
   public static void yield()
   {
       Thread thisThread = Thread.currentThread();
       try
       {
           thisThread.yield();
       }
       catch (Exception e)
       {
           System.out.println(e);
       }
   }
   public static void sleep(int time)
   {
       Thread thisThread = Thread.currentThread();
       try
       {
           thisThread.sleep(time);
       }
       catch (Exception e)
       {
           System.out.println(e);
       }
   }
   public static void threadCreate(Thread t)
   {
       t.start();
   }

}