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JAVA ํ™•์ธ

java -version

 

JDK 8, JRE 8 ์„ค์น˜

sudo apt-get install openjdk-8-jdk
sudo apt-get install openjdk-8-jre

 

JVM ํ™˜๊ฒฝ๋ณ€์ˆ˜ ์ง€์ •

which javac

javac๊ฐ€ ์žˆ๋Š” ์œ„์น˜๋ฅผ ์ฐพ๋Š”๋‹ค

readlink -f /usr/bin/javac

javac๊ฐ€ ๋งํฌ ๋˜์–ด์žˆ๋Š” ์œ„์น˜๋ฅผ ์ฐพ๋Š”๋‹ค

sudo nano /etc/environment

 

JAVA_HOME="/usr/lib/jvm/java-8-openjdk-amd64"

์—๋””ํ„ฐ์— ์œ„์˜ ๋‚ด์šฉ์„ ์ž‘์„ฑํ•˜๊ณ  ์ €์žฅ ํ•จ

source /etc/environment

์œ„์˜ ๋ช…๋ น์–ด๋กœ ๋ฆฌ๋กœ๋“œ ํ•ฉ๋‹ˆ๋‹ค.

echo $JAVA_HOME

/usr/lib/jvm/java-8-openjdk-amd64 ๊ฐ€ ๋‚˜์˜ค๋ฉด ํ™˜๊ฒฝ๋ณ€์ˆ˜๊ฐ€ ์ง€์ •๋˜์—ˆ๋‹ค๋Š” ๊ฒƒ์„ ์•Œ ์ˆ˜ ์žˆ์Œ

$JAVA_HOME/bin/javac -version

javac ๋ฒ„์ ผ๋„ ํ™•์ธ ํ•˜๊ธธ ๋ฐ”๋žŒ

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