For this purpose the following process we have to follow 1 : First time to create one executable jar file . 2: Java code to run this executable JAR file let me explain first we have to create one Java application with the help of the eclipse. create a package… Continue Reading run the JAVA application JAR file in Java code

JDK Utilities Tool Function javac The Java compiler. Converts Java source code into bytecodes. java The Java interpreter. Executes Java application bytecodes directly from class files. appletviewer A Java interpreter that executes Java applet classes hosted by HTML files. javadoc Creates HTML documentation based on Java source code and the… Continue Reading JDK Utilities

This is simple program Program

Run the problem in eclipse Result Java

Unicode is a universal international standard character encoding that is capable of representing most of the world’s written languages. Why java uses Unicode System? Before Unicode, there were many language standards: ASCII (American Standard Code for Information Interchange) for the United States. ISO 8859-1 for Western European Language. KOI-8 for Russian. GB18030 and… Continue Reading Unicode System

JVM (Java Virtual Machine) is an abstract machine. It is a specification that provides runtime environment in which java bytecode can be executed. JVMs are available for many hardware and software platforms (i.e. JVM is platform dependent). What is JVM It is: A specification where working of Java Virtual Machine is… Continue Reading JVM (Java Virtual Machine)

We must understand the differences between JDK, JRE and JVM before proceeding further to Java. See the brief overview of JVM here: If you want to get the detailed knowledge of Java Virtual Machine, move to the next page. Firstly, let’s see the basic differences between the JDK, JRE and… Continue Reading Difference between JDK, JRE and JVM