Java tutorial
//package com.java2s; /******************************************************************************* * Copyright (c) 2010 Oak Ridge National Laboratory. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html ******************************************************************************/ public class Main { /** Add string for indentation to given level to buffer. */ public static final void indent(final StringBuilder buf, int level) { while (level > 0) { buf.append(" "); --level; } } /** @return Returns string for indentation to given level. */ public static final String indent(int level) { final StringBuilder buf = new StringBuilder(); indent(buf, level); return buf.toString(); } }