jar包查看工具，反编译必备，查看jar包源码。HowtouseJD-GUIForexample,todecompile"Object.class",youcan:-executethefollowingcommandline:"jd-gui.exeObject.class".-select"OpenFile..."in"File"menuandbrowseto"Object.class".-draganddrop"Object.class"onto"jd