import java.awt.Toolkit;
import java.awt.datatransfer.StringSelection;
import java.awt.datatransfer.Clipboard;

public class tester{

 public static void main(String[] args){

     // from string to clipboard
    StringSelection selection = new StringSelection("hi");
    Clipboard clipboard = Toolkit.getDefaultToolkit().getSystemClipboard();
    clipboard.setContents(selection, selection);
 }
}

该程序可以执行此操作.它将字符串"hi"设置为剪贴板.您可以将其更改为变量.

This program does it. It will set the String "hi" to clipboard. You can change it to a variable.