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Tip of the Day
Language: Java
Expertise: Intermediate
Apr 10, 2007

Emitting a Beep in Java

There are three ways to emit a beep in Java:
  1. Use an AU audio file: In Java, AU files need to be created at a sample rate of 8000. Higher sample rates will not work.
  2. Print the ASCII Bell character to the console, like this:
    
     public class testBeep {
      public static main(String args[]) {
         // ASCII bell
         System.out.print("\0007");
         System.out.flush();
         }
      }
    
  3. Starting with JDK 1.1, use the beep method in the Toolkit:
    
    import java.awt.*;
    public class beep {
      public static void main(String args[]) {
         Toolkit.getDefaultToolkit().beep();
         }
      }
    
Satish Kumar Pulavarthy
 
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