Java/JVM????ι??????????OpenJDK???
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????OpenJDK?????2006????
????????OpenJDK?????????????????[1]??
???????????????Oracle??Red Hat??etcetera???????????????????JDK??JRE??????????????????????????OpenJDK???????????????????????????????????????????????????????Щ?????????????????????
????OpenJDK????????
????OpenJDK???????????????????corba??hotspot??jaxp??jaxws??jdk??langtools?????nashorn????OpenJDK8??OpenJDK9???????μ????????????к????????????????????Jigsaw——Java???????黯[2][3][4][5]??
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????Java????????????汾??Java——???磬Java?????????????????????????????????????????μ????????????????ε?????????????????????????????????ο? Scheme from Scratch???? Wikipedia [7]??
????OpenJDK8???JDK7????????????????OpenJDK9 ?????JDK8???????????????OpenJDK8????????????????????????????????OpenJDK9?????OpenJDK9???????????????????????????——????OpenJDK??JDK??????????????OpenJDK????α????????????make???????OpenJDK?????
????$ make bootcycle-images # Build images twice?? second time with newly built JDK
????make??????OpenJDK8??OpenJDK9????????????????????????????????????????????????顣???£?
????$ make [component-name] | [module-name]
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????$ make JOBS= # Run parallel make jobs
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????$ make install
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