[영어일기] Java Develompent Kit, Java Runtime Environment

If you have studied Java language, you may know JDK and JRE briefly.

So do I learned Java language sophomore in university and installed JDK and JRE.
However, these days many things are changed.

Oracle acquired Java and development kit version has changed a lot.
The latest JDK version is 13.0.2.
JRE was removed and alternated to Java SE Timezone.

I learned for Hadoop, so I will install java 8.