How to know JDK bit size of your system

How to know your how much bit of JDK is installed on your system

Sometimes we have a requirement to know how many bit of JDK is being installed in our system. In "System" class of java.lang package contains getProperty(-) method, which will return system information (based on input parameters i.e. key). Click here to get more information

To know  how many bit of JDK is being installed in our system it please run the following java program:

public class JdkBitVersion {

            public static void main(String args[]) {

                        System.out.println("My JDK is : " + System.getProperty("sun.arch.data.model") + "bit");

            }

}

Output

Below is the list of system properties includes values for the following keys:

Key	Description of Associated Value
java.version	Java Runtime Environment version
java.vendor	Java Runtime Environment vendor
java.vendor.url	Java vendor URL
java.home	Java installation directory
java.vm.specification.version	Java Virtual Machine specification version
java.vm.specification.vendor	Java Virtual Machine specification vendor
java.vm.specification.name	Java Virtual Machine specification name
java.vm.version	Java Virtual Machine implementation version
java.vm.vendor	Java Virtual Machine implementation vendor
java.vm.name	Java Virtual Machine implementation name
java.specification.version	Java Runtime Environment specification version
java.specification.vendor	Java Runtime Environment specification vendor
java.specification.name	Java Runtime Environment specification name
java.class.version	Java class format version number
java.class.path	Java class path
java.library.path	List of paths to search when loading libraries
java.io.tmpdir	Default temp file path
java.compiler	Name of JIT compiler to use
java.ext.dirs	Path of extension directory or directories
os.name	Operating system name
os.arch	Operating system architecture
os.version	Operating system version
file.separator	File separator ("/" on UNIX)
path.separator	Path separator (":" on UNIX)
line.separator	Line separator ("\n" on UNIX)
user.name	User's account name
user.home	User's home directory
user.dir	User's current working directory