S08_CopyToClipboard.java

import java.awt.Toolkit;
import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.Transferable;
import java.awt.datatransfer.UnsupportedFlavorException;
import java.io.IOException;

public class S08_CopyToClipboard {

    public static void main(String[] args) {
        var message = "from java " + System.nanoTime();
        var cb = Toolkit.getDefaultToolkit().getSystemClipboard();
        cb.setContents(new Transferable() {

            @Override
            public DataFlavor[] getTransferDataFlavors() {
                return new DataFlavor[] { DataFlavor.stringFlavor };
            }

            @Override
            public boolean isDataFlavorSupported(DataFlavor flavor) {
                return true;
            }

            @Override
            public Object getTransferData(DataFlavor flavor) throws UnsupportedFlavorException, IOException {
                return message;
            }

        }, (c, t) -> {
        });
    }
}