Here you can find the source of createSplitPane(int newOrientation, Component newLeftComponent, Component newRightComponent)
public static JSplitPane createSplitPane(int newOrientation, Component newLeftComponent, Component newRightComponent)
//package com.java2s; /**/*from w w w . jav a 2s . co m*/ * Copyright (C) 2010 Leon Blakey <lord.quackstar at gmail.com> * * This file is part of QuackedCube. * * QuackedCube is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * QuackedCube is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with QuackedCube. If not, see <http://www.gnu.org/licenses/>. */ import java.awt.Component; import javax.swing.JSplitPane; import javax.swing.plaf.basic.BasicSplitPaneDivider; import javax.swing.plaf.basic.BasicSplitPaneUI; public class Main { public static JSplitPane createSplitPane(int newOrientation, Component newLeftComponent, Component newRightComponent) { JSplitPane split = new JSplitPane(newOrientation, newLeftComponent, newRightComponent); // remove the border from the split pane split.setBorder(null); // set the divider size for a more reasonable, less bulky look split.setDividerSize(3); // check the UI. If we can't work with the UI any further, then // exit here. if (!(split.getUI() instanceof BasicSplitPaneUI)) return split; // grab the divider from the UI and remove the border from it BasicSplitPaneDivider divider = ((BasicSplitPaneUI) split.getUI()).getDivider(); if (divider != null) divider.setBorder(null); return split; } }