package com.javaxyq.ui; import java.awt.Dimension; import javax.swing.JComponent; import javax.swing.plaf.ComponentUI; import javax.swing.plaf.basic.BasicTextFieldUI; public class GameTextFieldUI extends BasicTextFieldUI { private static final GameTextFieldUI instance = new GameTextFieldUI(); public static ComponentUI createUI(JComponent c) { return instance; } @Override public Dimension getMaximumSize(JComponent c) { return null; } @Override public Dimension getMinimumSize(JComponent c) { return null; } }