怎么看jdk是ibm还是sum

Question

如题所述

Answer 1

在命令行执行java -version
如果显示如下类似内容，则是sun的JDK
java version "1.6.0_45"
Java(TM) SE Runtime Environment (build 1.6.0_45-b06)
Java HotSpot(TM) 64-Bit Server VM (build 20.45-b01, mixed mode)

如果显示如下类似内容，则是IBM的JDK
java version "1.6.0"
Java(TM) SE Runtime Environment (build pap6460sr16fp3-20141219_01(SR16 FP3))
IBM J9 VM (build 2.4, JRE 1.6.0 IBM J9 2.4 AIX ppc64-64 jvmap6460sr16-20141216_227499 (JIT enabled, AOT enabled)
J9VM - 20141216_227499
JIT - r9_20140523_64469ifx3
GC - GA24_Java6_SR16_20141216_1020_B227499)
JCL - 20141216_01