In this tutorial we will find out Java version installed in your system
How to find out Java version installed in your system/windows >
- You may use this java program to find Java version installed in your system/windows >
if 32 bit java version is installed than (System.getProperty("sun.arch.data.model")) returns 32
if 64 bit java version is installed than (System.getProperty("sun.arch.data.model")) returns 64
/** Find current JVM version (32 bit java version or 64 bit java version ?) */
public class FindCurrentJavaVersionExample {
public static void main(String[] args) {
String currentJavaVersion = System.getProperty("sun.arch.data.model");
System.out.println("current Java Version on system = "+
currentJavaVersion);
}
}
/*OUTPUT
current Java Version on system = 64
*/
|
output of program may vary on different systems, mines system have 64 bit java version installed
- You may use this CMD command to find Java version installed in your system/windows >
Java -version
- You may use this following CMD commands as well to find Java version installed in your system/windows > >
Java -d32
If system has 64 JVM installed then error message will be > This Java instance does not support a 32-bit JVM
Java -d64
If system has 32 JVM installed then error message will be > This Java instance does not support a 64-bit JVM
Summary -
So in this tutorial we found out Java version installed in your system
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Labels:
Core Java