类加载器

google

System.out.println(java.util.Arrays.asList(sun.misc.Launcher.getBootstrapClassPath().getURLs()).toString());


引导类加载器加载路径（我的机器上）：
[file:/C:/j2sdk1.4.2_15/jre/lib/rt.jar,
file:/C:/j2sdk1.4.2_15/jre/lib/i18n.jar,
file:/C:/j2sdk1.4.2_15/jre/lib/sunrsasign.jar,
file:/C:/j2sdk1.4.2_15/jre/lib/jsse.jar,
file:/C:/j2sdk1.4.2_15/jre/lib/jce.jar,
file:/C:/j2sdk1.4.2_15/jre/lib/charsets.jar,
file:/C:/j2sdk1.4.2_15/jre/classes]
扩展类加载器加载路径（我的机器上）：
[file:/C:/j2sdk1.4.2_15/jre/lib/ext/dnsns.jar,
file:/C:/j2sdk1.4.2_15/jre/lib/ext/ldapsec.jar,
file:/C:/j2sdk1.4.2_15/jre/lib/ext/localedata.jar,
file:/C:/j2sdk1.4.2_15/jre/lib/ext/myclass/,
file:/C:/j2sdk1.4.2_15/jre/lib/ext/sunjce_provider.jar]