Here you can find the source of createCompoundBorder(Border... borders)
public static Border createCompoundBorder(Border... borders)
//package com.java2s; /*/*from w w w. j a v a2s . c o m*/ * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ import javax.swing.*; import javax.swing.border.Border; public class Main { public static Border createCompoundBorder(Border... borders) { Border border = null; for (int i = 0; i < borders.length; i++) { border = i == 0 ? borders[i] : BorderFactory.createCompoundBorder(border, borders[i]); } return border; } }