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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html><head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <title>4.3.2. White Space</title><link rel="stylesheet" href="site.css" type="text/css"><meta name="generator" content="DocBook XSL Stylesheets V1.65.1"><link rel="home" href="manual.html" title="Jalopy User Manual"><link rel="up" href="printer.html" title="4.3. Printer"><link rel="previous" href="printer.html" title="4.3. Printer"><link rel="next" href="indentation.html" title="4.3.3. Indentation"><link rel="preface" href="dedication.html" title="Dedication"><link rel="preface" href="acknowledge.html" title="Acknowledgements"><link rel="preface" href="introduction.html" title="Introduction"><link rel="part" href="part-core.html" title="Part I. Jalopy core"><link rel="chapter" href="installation.html" title="Chapter 1. Installation"><link rel="chapter" href="build.html" title="Chapter 2. 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Spaces around"> <meta name="description" content="Jalopy Java Source Code Formatter Beautifier Pretty Printer"> <meta http-equiv="pics-label" content='(pics-1.1 "http://www.icra.org/ratingsv02.html" l gen true for "http://jalopy.sf.net" r (cz 1 lz 1 nz 1 oz 1 vz 1) "http://www.rsac.org/ratingsv01.html" l gen true for "http://jalopy.sf.net" r (n 0 s 0 v 0 l 0))'> </head><body id="toppage" bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><table width="700" border="0" cellpadding="0" cellspacing="0" align="left"><tbody><tr><td><table cellpadding="0" cellspacing="0" width="100%" style="border:1px solid #336699"><tbody><tr><td height="16"></td></tr><tr><td bgcolor="#3399cc" height="1"></td></tr><tr style="border:none"><td style="border:none"><table border="0" cellspacing="0" cellpadding="0"><tbody><tr><td class="logo">JALOPY</td><td class="sublogo" valign="bottom">Java Source Code Formatter Beautifier Pretty Printer</td></tr></tbody></table></td></tr><tr><td bgcolor="#3399cc" height="1"></td></tr><tr><td height="10"></td></tr><tr><td bgcolor="#ff8000" height="4"></td></tr><tr><td height="20" bgcolor="#336699" style="color:#ffffff;padding-left:10px"><a href="./index.html" class="navlink">Overview</a> • <a href="./download.html" class="navlink">Download</a> • <a href="./docs.html" class="navlink">Documentation</a> • <a href="./plugins.html" class="navlink">Plug-ins</a> • <a href="./links.html" class="navlink">Links</a> • <a href="./contact.html" class="navlink">Contact</a></td></tr><tr><td height="1" bgcolor="#ffffff"></td></tr></tbody></table></td></tr><tr valign="top"><td valign="top" bgcolor="#ffffff"><table border="0" cellpadding="0" cellspacing="0" width="100%"><tbody><tr><td height="20" bgcolor="#faebd7" style="padding-left:15px"><a href="./features.html" class="navlink2">Features</a> | <a href="./history.html" class="navlink2">History</a> | <a href="./manual.html" class="navlink2">Manual</a> | <a href="./faq.html" class="navlink2">FAQ</a> | <a href="./api/index.html" class="navlink2">Javadoc</a></td></tr><tr><td height="20" bgcolor="#ffffff"></td></tr><tr><td bgcolor="#eeeecc" height="17" align="right" style="font-size:10px;padding-right:3px"> This page generated: <strong>June 8 2004</strong></td></tr></tbody></table><table border="0" width="100%" cellspacing="0" cellpadding="5"><tr><td><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">4.3.2. White Space</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="printer.html">Prev</a> </td><th width="60%" align="center">4.3. Printer</th><td width="20%" align="right"> <a accesskey="n" href="indentation.html">Next</a></td></tr></table><hr></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="whitespace"></a>4.3.2. White Space</h3></div></div><div></div></div><a class="indexterm" name="d0e1436"></a><p>Controls the white space handling for the individual components of Java statements.</p><div class="sect3" lang="en"><div class="titlepage"><div><div><h4 class="title"><a name="whitespace-before"></a>4.3.2.1. Space before</h4></div></div><div></div></div><a class="indexterm" name="d0e1444"></a><p>Lets you choose the components that should get one leading space inserted before them.</p><div class="itemizedlist"><ul type="disc"><li><p>Method declaration parentheses</p><div class="example"><a name="ex-space-before-method-paren"></a><p class="title"><b>Example 4.9. Method declaration parentheses</b></p><table border="0" bgcolor="#E0E0E0" class="shade"><tr><td><pre class="programlisting">public void someMethod<span class="bold"><b>(</b></span>)) { ...}public void someMethod <span class="bold"><b>(</b></span>)) { ...}</pre></td></tr></table></div><p></p></li><li><p><a name="whitespace-before-parentheses"></a>Method call parentheses</p><a class="indexterm" name="d0e1470"></a><a class="indexterm" name="d0e1477"></a><div class="example"><a name="ex-space-before-method-call-paren"></a><p class="title"><b>Example 4.10. Method call parentheses</b></p><table border="0" bgcolor="#E0E0E0" class="shade"><tr><td><pre class="programlisting">for (Iterator i = pointList.iterator<span class="bold"><b>(</b></span>); i.hasNext<span class="bold"><b>(</b></span>);) { ...}for (Iterator i = pointList.iterator <span class="bold"><b>(</b></span>); i.hasNext <span class="bold"><b>(</b></span>);) { ...}</pre></td></tr></table></div><p></p></li><li><p>Statement parentheses</p><div class="example"><a name="ex-space-before-statement-paren"></a><p class="title"><b>Example 4.11. Statement parentheses</b></p><table border="0" bgcolor="#E0E0E0" class="shade"><tr><td><pre class="programlisting">while<span class="bold"><b>(</b></span>!isDone) doSomething();while <span class="bold"><b>(</b></span>!isDone) doSomething();</pre></td></tr></table></div><p></p></li><li><p><a name="whitespace-before-braces"></a>Braces</p><a class="indexterm" name="d0e1516"></a><div class="example"><a name="ex-space-before-braces"></a><p class="title"><b>Example 4.12. Braces</b></p><table border="0" bgcolor="#E0E0E0" class="shade"><tr><td><pre class="programlisting"> String[] values = new String[]<span class="bold"><b>{</b></span> "One", "Two", "Three", "Four", "Five", "Six", "Seven" }; String[] values = new String[] <span class="bold"><b>{</b></span> "One", "Two", "Three", "Four", "Five", "Six", "Seven" };</pre></td></tr></table></div><p></p></li><li><p><a name="whitespace-before-brackets"></a>Brackets</p><a class="indexterm" name="d0e1538"></a><div class="example"><a name="ex-space-before-brackets"></a><p class="title"><b>Example 4.13. Brackets</b></p><table border="0" bgcolor="#E0E0E0" class="shade"><tr><td><pre class="programlisting">for (i = 0; i < 100; i++) sum += value<span class="bold"><b>[</b></span>i];for (i = 0; i < 100; i++) sum += value <span class="bold"><b>[</b></span>i];</pre></td></tr></table></div><p></p></li><li><p>Brackets in types</p><div class="example"><a name="ex-space-before-brackets-types"></a><p class="title"><b>Example 4.14. Brackets in types</b></p><table border="0" bgcolor="#E0E0E0" class="shade"><tr><td><pre class="programlisting">String<span class="bold"><b>[</b></span>] names = (String<span class="bold"><b>[</b></span>])data.toArray(new String<span class="bold"><b>[</b></span>]);String <span class="bold"><b>[</b></span>] names = (String <span class="bold"><b>[</b></span>])data.toArray(new String <span class="bold"><b>[</b></span>]);</pre></td></tr></table></div><p></p></li><li><p><a name="whitespace-before-colon"></a>Case colon</p><a class="indexterm" name="d0e1587"></a><div class="example"><a name="ex-space-before-case-colon"></a><p class="title"><b>Example 4.15. Case colon</b></p><table border="0" bgcolor="#E0E0E0" class="shade"><tr><td><pre class="programlisting">switch (character) { case 'A'<span class="bold"><b>:</b></span> break;}switch (character) { case 'A' <span class="bold"><b>:</b></span> break;}</pre></td></tr></table></div><p></p></li></ul></div></div><div class="sect3" lang="en"><div class="titlepage"><div><div><h4 class="title"><a name="space-after"></a>4.3.2.2. Space after</h4></div></div><div></div></div><a class="indexterm" name="d0e1609"></a><p>Lets you choose what components should have one trailing space inserted after the component.</p><div class="itemizedlist"><ul type="disc"><li><p><a name="whitespace-after-comma"></a>Comma</p><a class="indexterm" name="d0e1620"></a><a class="indexterm" name="d0e1627"></a><div class="example"><a name="ex-space-after-comma"></a><p class="title"><b>Example 4.16. Comma</b></p><table border="0" bgcolor="#E0E0E0" class="shade"><tr><td><pre class="programlisting">doSomething (a<span class="bold"><b>,</b></span>b<span class="bold"><b>,</b></span>c<span class="bold"><b>,</b></span>d);doSomething (a<span class="bold"><b>,</b></span> b<span class="bold"><b>,</b></span> c<span class="bold"><b>,</b></span> d);</pre></td></tr></table></div><p></p></li><li><p><a name="whitespace-after-semi"></a>Semicolon</p><a class="indexterm" name="d0e1657"></a><a class="indexterm" name="d0e1664"></a><div class="example"><a name="ex-space-after-semi"></a><p class="title"><b>Example 4.17. Semicolon</b></p><table border="0" bgcolor="#E0E0E0" class="shade"><tr><td><pre class="programlisting">for (i=0<span class="bold"><b>;</b></span>i<<span class="bold"><b></b></span>10<span class="bold"><b>;</b></span>i++) ...for (i=0<span class="bold"><b>;</b></span> i<<span class="bold"><b></b></span>10<span class="bold"><b>;</b></span> i++) ...</pre></td></tr></table></div><p></p></li><li><p><a name="whitespace-after-cast"></a>Type Cast</p><a class="indexterm" name="d0e1692"></a><a class="indexterm" name="d0e1699"></a><div class="example"><a name="ex-space-after-cast"></a><p class="title"><b>Example 4.18. Type Cast</b></p><table border="0" bgcolor="#E0E0E0" class="shade"><tr><td><pre class="programlisting">int line = ((JavaAST<span class="bold"><b>)</b></span>node).getStartLine();int line = ((JavaAST<span class="bold"><b>)</b></span> node).getStartLine();</pre></td></tr></table></div><p></p></li><li><p>Negation</p><p>Prints a space after the unary operators Logical NOT (!) and Bitwise NOT (~).</p><div class="example"><a name="ex-space-after-negation"></a><p class="title"><b>Example 4.19. Logical NOT</b></p><table border="0" bgcolor="#E0E0E0" class="shade"><tr><td><pre class="programlisting">while(!isDone) { doSomething();}⌨️ 快捷键说明
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