properties.getProperty
properties.getPropertyjava.version
Java Runtime Environment versionjava.vendorJava Runtime Environment vendorjava.vendor.url Java vendor URLjava.homeJava installation directoryjava.vm.specification.versionJava Virtual Machine specification versionjava.vm.specification.vendorJava Virtual Machine specification vendorjava.vm.specification.nameJava Virtual Machine specification namejava.vm.versionJava Virtual Machine implementation versionjava.vm.vendorJava Virtual Machine implementation vendorjava.vm.nameJava Virtual Machine implementation namejava.specification.versionJava Runtime Environment specification versionjava.specification.vendorJava Runtime Environment specification vendorjava.specification.nameJava Runtime Environment specification namejava.class.versionJava class format version numberjava.class.pathJava class pathjava.library.pathList of paths to search when loading librariesjava.io.tmpdirDefault temp file pathjava.compilerName of JIT compiler to usejava.ext.dirsPath of extension directory or directoriesos.nameOperating system nameos.archOperating system architectureos.versionOperating system versionfile.separatorFile separator ("/" on UNIX)path.separatorPath separator (":" on UNIX)line.separatorLine separator ("\n" on UNIX)user.nameUser's account nameuser.homeUser's home directoryuser.dirUser's current working directory
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