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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<h2 title="Class SystemUtils" class="title">Class SystemUtils</h2>
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<pre>public class <span class="strong">SystemUtils</span>
extends <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre>
<div class="block">Provides convenience behavior to determine the operating system
 and Java version.</div>
<dl><dt><span class="strong">Author:</span></dt>
  <dd>Karsten Lentzsch</dd></dl>
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<h3>Field Summary</h3>
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<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../com/jgoodies/common/base/SystemUtils.html#HAS_MODERN_RASTERIZER">HAS_MODERN_RASTERIZER</a></strong></code>
<div class="block">True since Java 6 update 10.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../com/jgoodies/common/base/SystemUtils.html#IS_JAVA_6">IS_JAVA_6</a></strong></code>
<div class="block">True if this is Java 6.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../com/jgoodies/common/base/SystemUtils.html#IS_JAVA_7">IS_JAVA_7</a></strong></code>
<div class="block">True if this is Java 7.</div>
</td>
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<tr class="rowColor">
<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../com/jgoodies/common/base/SystemUtils.html#IS_JAVA_7_OR_LATER">IS_JAVA_7_OR_LATER</a></strong></code>
<div class="block">True if this is Java 7.x or later.</div>
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<tr class="altColor">
<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../com/jgoodies/common/base/SystemUtils.html#IS_JAVA_8">IS_JAVA_8</a></strong></code>
<div class="block">True if this is Java 7.</div>
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<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../com/jgoodies/common/base/SystemUtils.html#IS_JAVA_8_OR_LATER">IS_JAVA_8_OR_LATER</a></strong></code>
<div class="block">True if this is Java 8.x or later.</div>
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<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../com/jgoodies/common/base/SystemUtils.html#IS_LAF_WINDOWS_XP_ENABLED">IS_LAF_WINDOWS_XP_ENABLED</a></strong></code>
<div class="block">True if the Windows XP Look&amp;Feel is enabled.</div>
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<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../com/jgoodies/common/base/SystemUtils.html#IS_LOW_RESOLUTION">IS_LOW_RESOLUTION</a></strong></code>
<div class="block">Is true if this environment's default toolkit reports a screen resolution
 below 120 dpi.</div>
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<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../com/jgoodies/common/base/SystemUtils.html#IS_OS_LINUX">IS_OS_LINUX</a></strong></code>
<div class="block">Is true if this is Linux.</div>
</td>
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<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../com/jgoodies/common/base/SystemUtils.html#IS_OS_MAC">IS_OS_MAC</a></strong></code>
<div class="block">True if this is the Mac OS.</div>
</td>
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<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../com/jgoodies/common/base/SystemUtils.html#IS_OS_SOLARIS">IS_OS_SOLARIS</a></strong></code>
<div class="block">True if this is Solaris.</div>
</td>
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<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../com/jgoodies/common/base/SystemUtils.html#IS_OS_WINDOWS">IS_OS_WINDOWS</a></strong></code>
<div class="block">True if this is Windows.</div>
</td>
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<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../com/jgoodies/common/base/SystemUtils.html#IS_OS_WINDOWS_2000">IS_OS_WINDOWS_2000</a></strong></code>
<div class="block">True if this is Windows 2000.</div>
</td>
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<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../com/jgoodies/common/base/SystemUtils.html#IS_OS_WINDOWS_6_OR_LATER">IS_OS_WINDOWS_6_OR_LATER</a></strong></code>
<div class="block">True if this is one of:
 Windows Vista,
 Windows Server 2008,
 Windows Server 2008 R2,
 Windows 7,
 Windows Server 2012,
 Windows 8,
 Windows Server 2012 R2,
 Windows 8.1</div>
</td>
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<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../com/jgoodies/common/base/SystemUtils.html#IS_OS_WINDOWS_7">IS_OS_WINDOWS_7</a></strong></code>
<div class="block">True if this is Windows 7.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../com/jgoodies/common/base/SystemUtils.html#IS_OS_WINDOWS_8">IS_OS_WINDOWS_8</a></strong></code>
<div class="block">True if this is Windows 8 or Windows Server 2012.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../com/jgoodies/common/base/SystemUtils.html#IS_OS_WINDOWS_98">IS_OS_WINDOWS_98</a></strong></code>
<div class="block">True if this is Windows 98.</div>
</td>
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<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../com/jgoodies/common/base/SystemUtils.html#IS_OS_WINDOWS_ME">IS_OS_WINDOWS_ME</a></strong></code>
<div class="block">True if this is Windows ME.</div>
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<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../com/jgoodies/common/base/SystemUtils.html#IS_OS_WINDOWS_VISTA">IS_OS_WINDOWS_VISTA</a></strong></code>
<div class="block">True if this is Windows Vista or Server 2008.</div>
</td>
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<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../com/jgoodies/common/base/SystemUtils.html#IS_OS_WINDOWS_XP">IS_OS_WINDOWS_XP</a></strong></code>
<div class="block">True if this is Windows XP.</div>
</td>
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<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../com/jgoodies/common/base/SystemUtils.html#IS_OS_WINDOWS_XP_64_BIT_OR_SERVER_2003">IS_OS_WINDOWS_XP_64_BIT_OR_SERVER_2003</a></strong></code>
<div class="block">True if this is Windows XP 64-Bit edition or Windows Server 2003
 or Windows Server 2003 R2.</div>
</td>
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<td class="colFirst"><code>protected static <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><strong><a href="../../../../com/jgoodies/common/base/SystemUtils.html#JAVA_VERSION">JAVA_VERSION</a></strong></code>
<div class="block">The <code>os.name</code> System Property.</div>
</td>
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<td class="colFirst"><code>protected static <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><strong><a href="../../../../com/jgoodies/common/base/SystemUtils.html#OS_NAME">OS_NAME</a></strong></code>
<div class="block">The <code>os.name</code> System Property.</div>
</td>
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<tr class="rowColor">
<td class="colFirst"><code>protected static <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><strong><a href="../../../../com/jgoodies/common/base/SystemUtils.html#OS_VERSION">OS_VERSION</a></strong></code>
<div class="block">The <code>os.version</code> System Property.</div>
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<td class="colFirst"><code>protected </code></td>
<td class="colLast"><code><strong><a href="../../../../com/jgoodies/common/base/SystemUtils.html#SystemUtils()">SystemUtils</a></strong>()</code>&nbsp;</td>
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<h3>Method Summary</h3>
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<th class="colLast" scope="col">Method and Description</th>
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<td class="colFirst"><code>protected static <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><strong><a href="../../../../com/jgoodies/common/base/SystemUtils.html#getSystemProperty(java.lang.String)">getSystemProperty</a></strong>(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;key)</code>
<div class="block">Tries to look up the System property for the given key.</div>
</td>
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<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../com/jgoodies/common/base/SystemUtils.html#isLafAqua()">isLafAqua</a></strong>()</code>
<div class="block">Checks and answers whether an Aqua look&amp;feel is active.</div>
</td>
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<td class="colFirst"><code>protected static boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../com/jgoodies/common/base/SystemUtils.html#startsWith(java.lang.String,%20java.lang.String)">startsWith</a></strong>(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;str,
          <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;prefix)</code>&nbsp;</td>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
<code><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long,%20int)" title="class or interface in java.lang">wait</a></code></li>
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<h3>Field Detail</h3>
<a name="OS_NAME">
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<h4>OS_NAME</h4>
<pre>protected static final&nbsp;<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> OS_NAME</pre>
<div class="block">The <code>os.name</code> System Property. Operating system name.<p>

 Defaults to <code>null</code>, if the runtime does not have security
 access to read this property or the property does not exist.</div>
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<a name="OS_VERSION">
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<h4>OS_VERSION</h4>
<pre>protected static final&nbsp;<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> OS_VERSION</pre>
<div class="block">The <code>os.version</code> System Property. Operating system version.<p>

 Defaults to <code>null</code>, if the runtime does not have security
 access to read this property or the property does not exist.</div>
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<a name="JAVA_VERSION">
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<pre>protected static final&nbsp;<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> JAVA_VERSION</pre>
<div class="block">The <code>os.name</code> System Property. Operating system name.<p>

 Defaults to <code>null</code>, if the runtime does not have security
 access to read this property or the property does not exist.</div>
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<a name="IS_OS_LINUX">
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<h4>IS_OS_LINUX</h4>
<pre>public static final&nbsp;boolean IS_OS_LINUX</pre>
<div class="block">Is true if this is Linux.</div>
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<pre>public static final&nbsp;boolean IS_OS_MAC</pre>
<div class="block">True if this is the Mac OS.</div>
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<pre>public static final&nbsp;boolean IS_OS_SOLARIS</pre>
<div class="block">True if this is Solaris.</div>
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<pre>public static final&nbsp;boolean IS_OS_WINDOWS</pre>
<div class="block">True if this is Windows.</div>
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<pre>public static final&nbsp;boolean IS_OS_WINDOWS_98</pre>
<div class="block">True if this is Windows 98.</div>
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<pre>public static final&nbsp;boolean IS_OS_WINDOWS_ME</pre>
<div class="block">True if this is Windows ME.</div>
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<h4>IS_OS_WINDOWS_2000</h4>
<pre>public static final&nbsp;boolean IS_OS_WINDOWS_2000</pre>
<div class="block">True if this is Windows 2000.</div>
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<pre>public static final&nbsp;boolean IS_OS_WINDOWS_XP</pre>
<div class="block">True if this is Windows XP.</div>
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<h4>IS_OS_WINDOWS_XP_64_BIT_OR_SERVER_2003</h4>
<pre>public static final&nbsp;boolean IS_OS_WINDOWS_XP_64_BIT_OR_SERVER_2003</pre>
<div class="block">True if this is Windows XP 64-Bit edition or Windows Server 2003
 or Windows Server 2003 R2.</div>
<dl><dt><span class="strong">Since:</span></dt>
  <dd>1.8</dd></dl>
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<pre>public static final&nbsp;boolean IS_OS_WINDOWS_VISTA</pre>
<div class="block">True if this is Windows Vista or Server 2008.</div>
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<h4>IS_OS_WINDOWS_7</h4>
<pre>public static final&nbsp;boolean IS_OS_WINDOWS_7</pre>
<div class="block">True if this is Windows 7.</div>
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<h4>IS_OS_WINDOWS_8</h4>
<pre>public static final&nbsp;boolean IS_OS_WINDOWS_8</pre>
<div class="block">True if this is Windows 8 or Windows Server 2012.</div>
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<pre>public static final&nbsp;boolean IS_OS_WINDOWS_6_OR_LATER</pre>
<div class="block">True if this is one of:
 Windows Vista,
 Windows Server 2008,
 Windows Server 2008 R2,
 Windows 7,
 Windows Server 2012,
 Windows 8,
 Windows Server 2012 R2,
 Windows 8.1</div>
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<pre>public static final&nbsp;boolean IS_JAVA_6</pre>
<div class="block">True if this is Java 6. We check for a prefix of 1.6.</div>
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<pre>public static final&nbsp;boolean IS_JAVA_7</pre>
<div class="block">True if this is Java 7. We check for a prefix of 1.7.</div>
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<pre>public static final&nbsp;boolean IS_JAVA_7_OR_LATER</pre>
<div class="block">True if this is Java 7.x or later. We check that it's not 1.6.</div>
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<pre>public static final&nbsp;boolean IS_JAVA_8</pre>
<div class="block">True if this is Java 7. We check for a prefix of 1.7.</div>
<dl><dt><span class="strong">Since:</span></dt>
  <dd>1.6</dd></dl>
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<pre>public static final&nbsp;boolean IS_JAVA_8_OR_LATER</pre>
<div class="block">True if this is Java 8.x or later.
 We check that it's neither 1.6 nor 1.7.</div>
<dl><dt><span class="strong">Since:</span></dt>
  <dd>1.6</dd></dl>
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<pre>public static final&nbsp;boolean HAS_MODERN_RASTERIZER</pre>
<div class="block">True since Java 6 update 10.</div>
<dl><dt><span class="strong">Since:</span></dt>
  <dd>1.2</dd></dl>
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<pre>public static final&nbsp;boolean IS_LAF_WINDOWS_XP_ENABLED</pre>
<div class="block">True if the Windows XP Look&amp;Feel is enabled.</div>
<dl><dt><span class="strong">Since:</span></dt>
  <dd>1.2</dd></dl>
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<pre>public static final&nbsp;boolean IS_LOW_RESOLUTION</pre>
<div class="block">Is true if this environment's default toolkit reports a screen resolution
 below 120 dpi.<p></div>
<dl><dt><span class="strong">Since:</span></dt>
  <dd>1.2</dd></dl>
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<h4>SystemUtils</h4>
<pre>protected&nbsp;SystemUtils()</pre>
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<h4>isLafAqua</h4>
<pre>public static&nbsp;boolean&nbsp;isLafAqua()</pre>
<div class="block">Checks and answers whether an Aqua look&amp;feel is active.
 This may be Apple's Aqua L&amp;f, or a sub-L&amp;f that
 uses the same ID, because it doesn't substantially change the look.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd><code>true</code> if the current look&amp;feel is Aqua-like</dd><dt><span class="strong">Since:</span></dt>
  <dd>1.8</dd></dl>
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<h4>getSystemProperty</h4>
<pre>protected static&nbsp;<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;getSystemProperty(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;key)</pre>
<div class="block">Tries to look up the System property for the given key.
 In untrusted environments this may throw a SecurityException.
 In this case we catch the exception and answer an empty string.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>key</code> - the name of the system property</dd>
<dt><span class="strong">Returns:</span></dt><dd>the system property's String value, or <code>null</code> if there's
     no such value, or an empty String when
     a SecurityException has been caught</dd></dl>
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<pre>protected static&nbsp;boolean&nbsp;startsWith(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;str,
                 <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;prefix)</pre>
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