/trunk/Examples/java/funcptr/runme.java

 1
 2public class runme {
 3
 4  static {
 5    try {
 6	System.loadLibrary("example");
 7    } catch (UnsatisfiedLinkError e) {
 8      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);
 9      System.exit(1);
10    }
11  }
12
13  public static void main(String argv[]) {
14
15
16    int a = 37;
17    int b = 42;
18
19    // Now call our C function with a bunch of callbacks
20
21    System.out.println( "Trying some C callback functions" );
22    System.out.println( "    a        = " + a );
23    System.out.println( "    b        = " + b );
24    System.out.println( "    ADD(a,b) = " + example.do_op(a,b,example.ADD) );
25    System.out.println( "    SUB(a,b) = " + example.do_op(a,b,example.SUB) );
26    System.out.println( "    MUL(a,b) = " + example.do_op(a,b,example.MUL) );
27
28    System.out.println( "Here is what the C callback function classes are called in Java" );
29    System.out.println( "    ADD      = " + example.ADD.getClass().getName() );
30    System.out.println( "    SUB      = " + example.SUB.getClass().getName() );
31    System.out.println( "    MUL      = " + example.MUL.getClass().getName() );
32  }
33}