import java.awt.Toolkit;
import java.awt.datatransfer.Clipboard;
import java.awt.datatransfer.ClipboardOwner;
import java.awt.datatransfer.StringSelection;
import java.awt.datatransfer.Transferable;
public class Main {
public static void main(String[] argv) throws Exception {
ClipboardOwner owner = new MyClipboardOwner();
StringSelection ss = new StringSelection("A String");
Toolkit.getDefaultToolkit().getSystemClipboard().setContents(ss, owner);
}
}
class MyClipboardOwner implements ClipboardOwner {
public void lostOwnership(Clipboard clipboard, Transferable contents) {
System.out.println("lost");
}
}