The capybara (Hydrochoerus hydrochaeris) is a large rodent of the genus Hydrochoerus of which the only other extant member is the lesser capybara (Hydrochoerus isthmius).
JDK is what gives the Java programming language its unique features of portability, security, simplicity, high performance, dynamism among others. With such features, it is no wonder as to why most developers opt to use Java when designing applications.
up vote 64 down vote. 1  JVM is Java Virtual Machine -- the JVM actually runs Java bytecode. 2  JDK is Java Developer Kit -- the JDK is what you need to compile Java source code. 3  JRE is Java Runtime Environment -- is what you need to run a Java program and contains a JVM, among other things.