Read Clipboard : Clipboard « Development « Java Tutorial

1. Java Tutorial
2. Development
3. Clipboard

import java.awt.Toolkit;
import java.awt.datatransfer.Clipboard;
import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.Transferable;

import javax.swing.JFrame;

public class MainClass extends JFrame {
  public static void main(String args[]) {
    Clipboard clip = Toolkit.getDefaultToolkit().getSystemClipboard();
    System.out.println("Object Name: " + clip.getName());
    Transferable contents = clip.getContents(new MainClass().getClass());
    if (contents == null)
      System.out.println("\n\nThe clipboard is empty.");
    else {
      DataFlavor flavors[] = contents.getTransferDataFlavors();
      for (int i = 0; i < flavors.length; ++i) {
        System.out.println("\n\n Name: " + flavors[i].getHumanPresentableName());
        System.out.println("\n MIME Type: " + flavors[i].getMimeType());
        Class cl = flavors[i].getRepresentationClass();
        if (cl == null)
          System.out.println("null");
        else
          System.out.println(cl.getName());
      }
    }
  }

}