System.load

class InstanceMethodCall {
     private native void nativeMethod();
     public static void main(String args[]) {
         InstanceMethodCall imc = new InstanceMethodCall();
         imc.nativeMethod();
     }
     static {
         System.loadLibrary("InstanceMethodCall");
     }
 }

synchronized void load0(Class fromClass, String filename) {
    SecurityManager security = System.getSecurityManager();
    if (security != null) {
        security.checkLink(filename);
    }
    if (!(new File(filename).isAbsolute())) {
        throw new UnsatisfiedLinkError(
            "Expecting an absolute path of the library: " + filename);
    }
    ClassLoader.loadLibrary(fromClass, filename, true);
    }
    
    synchronized void loadLibrary0(Class fromClass, String libname) {
        SecurityManager security = System.getSecurityManager();
        if (security != null) {
            security.checkLink(libname);
        }
        if (libname.indexOf((int)File.separatorChar) != -1) {
            throw new UnsatisfiedLinkError(
        "Directory separator should not appear in library name: " + libname);
        }
        ClassLoader.loadLibrary(fromClass, libname, false);
        }

ClassLoader.loadLibrary(fromClass, filename, true);

native void load(String name);