Open command prompt and enter “java –version”.
If installed version number is displayed..
Visit the Java website and download the installer
To install Java, you first need to download the installer program from Oracle.
Click the "Free Java Download" button.
You are then prompted to read and agree with the end user license agreement..
Open command prompt and enter “java –version”.
If installed version number is displayed..
The Java compiler takes the source code and produces bytecode, which is then executed by the Java Virtual Machine (JVM).
The bytecode is loaded into the JVM, and the JVM interprets the bytecode and executes the program.
The code cannot be compiled because of compilation errors..
Open a command prompt window and go to the directory where you saved the java program (MyFirstJavaProgram.java).
Assume it's C:\\.
Type 'javac MyFirstJavaProgram.java' and press enter to compile your code..
Go to Command Prompt and type “javac -help”. “Start” -\x26gt; type “cmd” -\x26gt; click on “Command prompt” -\x26gt; type “javac -help” -\x26gt; press Enter.
If there is a list of options — Congratulations Now you've got Java on your machine..
JDK's programs (such as Java compiler "javac.exe " and Java runtime "java.exe ") reside in the sub-directory " bin " of the JDK installed directory..
Open command prompt and enter “java –version”.
If installed version number is displayed..
