JRE :- Java Runtime environmentIt contains JVM ,Core libraries and other additional components to run java applications and applets written in Java.JDK :– Java Development ToolkitJDK is used to develop java based applications and it is a bundle of software. JDK needs more Disk space as it contains JRE along with various development tools.Included JRE, set of API classes, Java compiler, Webstartand additional files needed to write Java applets andapplications.JVM...