OpenJDK

Sun Microsystems Java

Oracle Java

• JDK 1.0 (January 23, 1996)

• JDK 1.1 (February 19, 1996)

• J2SE 1.2 (December 8, 1998)

• J2SE 1.3 (May 8, 2000)

• J2SE 1.4 (February 6, 2002)

• J2SE 5.0 (September 30, 2004)

• Java SE 6 (December 11, 2006)

• Java SE 7 (July 28, 2011)

• Java SE 8 (March 18, 2014)

• Java SE 9 (September 21, 2017)

Oracle Java SE Subscriptions

License Rights and Restrictions Oracle grants You a nonexclusive, nontransferable, limited license to use the Programs, subject to the restrictions stated in this Agreement and Program Documentation, only for:

(i)     Personal Use,
(ii)    Development Use,
(iii)   Oracle Approved Product Use, and/or
(iv)   Oracle Cloud Infrastructure Use.

Oracle Technology Network License Agreement

for Oracle Java SE

https://www.oracle.com/kr/downloads/licenses/javase-license1.html

OpenJDK == OracleJDK ?

• https://aws.amazon.com

• https://developers.redhat.com

• https://www.azul.com

TL;DR