1. -client，-server...............................................................................................3 2. -hotspot...............................................................................................................3 3. -classpath,-cp...................................................................................................3 4. -classpath...........................................................................................................4 5. -D<propertyName>=value ..................................................................................4 6. -verbose[:class|gc|jni] ................................................................................4 7. -verbose:gc.........................................................................................................5 8. -verbose:jni.......................................................................................................5 9. -version...............................................................................................................5 10. -showversion.......................................................................................................5 11. -ea[:<packagename>...|:<classname>] ........................................................5 12. -enableassertions[:<packagename>...|:<classname>] ............................5 13. -da[:<packagename>...|:<classname>] ........................................................5 14. -disableassertions[:<packagename>...|:<classname>] ..........................5 15. -esa | -enablesystemassertions ..................................................................6 16. -dsa | -disablesystemassertions ................................................................6 17. -agentlib:<libname>[=<options>] ................................................................6 18. -agentpath:<pathname>[=<options>] ............................................................6 19. -javaagent:<jarpath>[=<options>] ..............................................................6 三、 扩展参数说明...........................................................................................................6 1. -Xmixed.................................................................................................................6 2. -Xint.....................................................................................................................7 3. -Xbootclasspath:path ......................................................................................7 4. -Xbootclasspath/a:path ..................................................................................7 5. -Xbootclasspath/p:path ..................................................................................7 6. -Xnoclassgc.........................................................................................................7 7. -Xincgc.................................................................................................................7 8. -Xloggc:<file>...................................................................................................7 9. -Xbatch.................................................................................................................7 10. -Xms<size>...........................................................................................................7 11. -Xmx<size>...........................................................................................................7 12. -Xss<size>...........................................................................................................8 13. -Xprof...................................................................................................................8 14. -Xfuture...............................................................................................................8 15. -Xrs.......................................................................................................................8 16. -Xcheck:jni.........................................................................................................8
第2页共8页
一切源于梦想
序言: Java 在运行已编译完成的类时，是通过 java 虚拟机来装载和执行的，java 虚拟机通过操作 系统命令 JAVA_HOME\bin\java –option 来启动，-option 为虚拟机参数，JAVA_HOME 为 JDK 安装路径，通过这些参数可对虚拟机的运行状态进行调整，掌握参数的含义可对虚拟机的运 行模式有更深入理解。