public class runme { static { try { System.loadLibrary("example"); } catch (UnsatisfiedLinkError e) { System.err.println("Native code library failed to load. See the chapter on Dynamic Linking Problems in the SWIG Java documentation for help.\n" + e); System.exit(1); } } public static void main(String argv[]) { // First create some objects using the pointer library. System.out.println("Testing the pointer library"); SWIGTYPE_p_int a = example.new_intp(); SWIGTYPE_p_int b = example.new_intp(); SWIGTYPE_p_int c = example.new_intp(); example.intp_assign(a,37); example.intp_assign(b,42); // Note that getCPtr() has package access by default System.out.println(" a =" + Long.toHexString(SWIGTYPE_p_int.getCPtr(a))); System.out.println(" b =" + Long.toHexString(SWIGTYPE_p_int.getCPtr(b))); System.out.println(" c =" + Long.toHexString(SWIGTYPE_p_int.getCPtr(c))); // Call the add() function with some pointers example.add(a,b,c); // Now get the result int res = example.intp_value(c); System.out.println(" 37 + 42 =" + res); // Clean up the pointers example.delete_intp(a); example.delete_intp(b); example.delete_intp(c); // Now try the typemap library // Now it is no longer necessary to manufacture pointers. // Instead we use a single element array which in Java is modifiable. System.out.println("Trying the typemap library"); int[] r = {0}; example.sub(37,42,r); System.out.println(" 37 - 42 = " + r[0]); // Now try the version with return value System.out.println("Testing return value"); int q = example.divide(42,37,r); System.out.println(" 42/37 = " + q + " remainder " + r[0]); } }