怎樣查看jdk是sun的還是ibm的？

在命令行執行Java -version 如果顯示如下類似內容，則是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) 如果顯示如下類似內容，則是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