extcheck(1) Basic Tools extcheck(1) (NAME) extcheck - (JAR) JAR . (SYNOPSIS) extcheck [options] targetfile.jar options . . targetfile.jar JAR JAR . (DESCRIPTION) extcheck JAR Java SE SDK . . extcheck Specification- title Specification-version targetfile.jar JAR . Oracle Solaris jre/lib/ext Windows \jre\lib\ext . extcheck java.lang.Package.isCompatibleWith . 0 . JAR Specification-title Specification- version . targetfile.jar Specification-title Specification-version . (OPTIONS) -verbose JAR . JAR JAR . -Joption option (JVM) option . -J-Xms48m 48 . java(1) . (SEE ALSO) o jar(1) JDK 8 21 November 2013 extcheck(1)