java (jdk) 버전별 다운로드 링크
java (jdk) 1.5 : https://www.oracle.com/java/technologies/java-archive-javase5-downloads.html
java (jdk) 1.6 : https://www.oracle.com/java/technologies/javase-java-archive-javase6-downloads.html
java (jdk) 1.7 : https://www.oracle.com/java/technologies/javase/javase7-archive-downloads.html
java (jdk) 1.8 : https://www.oracle.com/java/technologies/javase/javase8-archive-downloads.html
openjdk 1.7 : http://jdk.java.net/java-se-ri/7
openjdk 1.8 : http://jdk.java.net/java-se-ri/8-MR3
openjdk 1.9 : http://jdk.java.net/java-se-ri/9
openjdk 10 : http://jdk.java.net/java-se-ri/10
openjdk 11 : http://jdk.java.net/java-se-ri/11
openjdk 12 : http://jdk.java.net/java-se-ri/12
openjdk 13 : http://jdk.java.net/java-se-ri/13
openjdk 14 : http://jdk.java.net/java-se-ri/14