Anyone can be affected by avascular necrosis. However, it's most common in people between the ages of 30 and 60. Because of this relatively young age range, avascular necrosis can have significant long-term consequences. Symptoms.
JDK (Java Development Kit). 1  It is a bundle of software that you can use to develop Java based applications. 2  Java Development Kit is needed for developing java applications. 3  The JDK needs more Disk space as it contains the JRE along with various development tools.
To explain the difference between JDK and JRE, the best is to read the Oracle documentation and consult the diagram : Java Runtime Environment (JRE) The Java Runtime Environment (JRE) provides the libraries, the Java Virtual Machine, and other components to run applets and applications written in the Java programming language.