Java System mapLibraryName() Method

The mapLibraryName() method of Java System Class maps a library name into platform-specific string which represents a native library.

Syntax

Parameter

libname - the name of the library.

Returns

Returns a native library name which is platform-dependent.
Returns NullPointerException if libname is null.

Example 1

public class SystemMapLibraryNameExample1 {
	public static void main(String[] args) {
		System.out.println("map library for user's name = "+System.mapLibraryName("user.name"));
		System.out.println("map library for user's home = "+System.mapLibraryName("user.home"));
		System.out.println(System.mapLibraryName("map library for user's dir = "+"user.dir"));
	}
}

Test it Now

Output:

map library for user's name = user.name.dll
map library for user's home = user.home.dll
map library for user's dir = user.dir.dll

Example 2

public class SystemMpaLibraryNameExample2 {
	public static void main(String[] args) {
		System.out.println("map library for OS's name = "+System.mapLibraryName("os.name"));
		System.out.println("map library for OS's architecture = "+System.mapLibraryName("os.arch"));
		System.out.println("map library for OS's version = "+System.mapLibraryName("os.version"));
	}
}

Test it Now

Output:

map library for OS's name = os.name.dll
map library for OS's architecture = os.arch.dll
map library for OS's version = os.version.dll

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