JRE- JAVA RUNTIME ENVIRONMENT

DEFINITION:

JRE is a”set of tools” for developing  Java application.Its was originally developed by Sun Microsystems(Oracle Corporation ).It is also combine the JVM ,Supporting libraries,platform core class.

JRE is lesser  space then JDK .so,it has lesser space .

The JRE includes,

1-Java web start

2-java plug-in

3-Deployment

It is known as JRE (Java Runtime Environment ).

Where the JRE used ?

Download the JRE ,when you need to “RUN” the Java  application and Applet .

TECHNOLOGY explain JAVA RUNTIME ENVIRONMENT

  1. User interface toolkits,including AWT-Abstract window tool kit,imageI/O,Swing,java 2D,drag and drop ,Sound,Print service
  2. Including interface Definition Language (IDL ),Java Database connectivity (JDBC ),Java Naming and Directory Interface (JDNI ),Remote Method Invocation (RMI) including with Integration libraries .
  3. Java virtual Machine include Server virtual machine and javba Hotspots Client.
  4. Its have different JDKs for many platform . The support platform like ,linux,windows,solarise.

JDK– JAVA DEVELOPMENT KIT

DEFINITION :

JDK is a” bundle of software development “which is used to developing  the Java Application and Applets.

JDK is higher then JSK ,JDK needs more space as it contains the JSK ,along with many tools.

The JDK includes ,

1-JRE

2-JAVA

3-JAVA C

4-JAVA DOC

It is known as JDK –Java Development Kit

Where  the JDK used ?

Mainly,the JDK is used  to “DEVELOP”  Java application and  applets as well as to “RUN”.

TECHNOLOGY  explains  JAVA DEVELOPING KIT

  1. Developer of java ,first presented with two JDK tools like Java and Java C its two run from command prompt.
  2. Java is a simple text file . The file is saved with an extension of (.java )
  3. After writing and saving the sourse code the Java C Is appealed to create .class file.After create the .class file the ‘java’ command can be used to run  the java program.
JRE

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