Relationship: JDK includes JRE, JRE included JVM
Structure: JDK = JRE + Java development tools (javac.exe, java.exe, javadoc.exe and other tools)
JRE = JVM + Java core class libraries
Relationship: JDK includes JRE, JRE included JVM
Structure: JDK = JRE + Java development tools (javac.exe, java.exe, javadoc.exe and other tools)
JRE = JVM + Java core class libraries