While Oracle controls the commercial JDK, OpenJDK is the open-source implementation.
Java 7 smiled. "Size is a small price for power. Watch." java 7 64 bits
Whether you are a system administrator maintaining legacy infrastructure, a developer trying to run archived code, or a gamer trying to get an old favorite to work, you likely find yourself needing this specific version of the Java Runtime Environment (JRE) or Java Development Kit (JDK). While Oracle controls the commercial JDK, OpenJDK is
64-bit processors feature more registers, allowing the JVM to handle more data in a single clock cycle. While Oracle controls the commercial JDK