centos java 위치 확인

 which java

readlink -f /usr/bin/java

java decompile

 

wget http://www.benf.org/other/cfr/cfr_0_115.jar

java -jar cfr_0_115.jar javaclasstodecompiles.class > javaclasstodecompiles.java 

[Python] Python 에서 java 호출

pip install JPype1

#!/usr/bin/env python# -*- coding:utf-8 -*-
import jpype

if __name__ == '__main__':
    classpath = './jar/whoareyou.jar'    jpype.startJVM(jpype.getDefaultJVMPath(), '-ea', "-Djava.class.path=%s" % classpath)
    WhoAreYou = jpype.JClass("kr.co.demo.WhoAreYou")

    obj = WhoAreYou()
    ret = obj.whatyourname('hello')
    print ret

    WhoAreYou2 = jpype.JPackage("kr").co.demo.WhoAreYou
    obj2 = WhoAreYou()
    ret = obj.whatyourname('world')
    print ret
    jpype.shutdownJVM()