How to install JDK 1.7.0 and how to set path and classpath variables
How to install JDK 1.7.0 and how to set path and classpath variables How to Install Java Development Kit (JDK) 1.7 or SE 7, which is freely available from Sun Microsystems (now part of Oracle), is needed for writing Java programs. JDK can be downloaded from the Java mother site @ http://java.sun.com (or) http://www.oracle.com/technetwork/java/index.html ). How To Install JDK 1.7.0 JDK or JRE? JRE (Java Runtime Environment) is needed for running Java programs. JDK (Java Development Kit), which includes JRE plus the development tools (such as compiler and debugger), is need for writing Java programs. Since you are supposed to write Java Programs, install JDK (which includes JRE). STEP 0: Un-install Older Version of JDK/JRE If you have previously installed older version of JDK/JRE, un-install them. Run "Control Panel" ⇒ "Program and Features" ⇒ Un-install programs such as "Java SE Developm