java swing JTextField set PlaceHolder [duplicate]

Answer 1

JTextField searchText;

...

In constructor:

searchText = new JTextField("Search");
searchText.setForeground(Color.GRAY);
searchText.addFocusListener(new FocusListener() {
    @Override
    public void focusGained(FocusEvent e) {
        if (searchText.getText().equals("Search")) {
            searchText.setText("");
            searchText.setForeground(Color.BLACK);
        }
    }
    @Override
    public void focusLost(FocusEvent e) {
        if (searchText.getText().isEmpty()) {
            searchText.setForeground(Color.GRAY);
            searchText.setText("Search");
        }
    }
    });