Set PATH

• set PATH = %PATH%;<path to jdk\bin>;
• set PATH=%PATH%;W:\w\Java\java64\jdk1.8.0_151\bin\;
• >javac HelloWorld.java

OR Call javac Directly

• W:\w\Java\java64\jdk1.8.0_151\bin\javac HelloWorld.java
• output = HelloWorld.class