public class Test {

    public static void test() {

        boolean a = true;

        boolean b = false;

        if (a | b) {

            System.out.println("|");

        }

        if (a & b) {

            System.out.println("&");

        }

    }

    public static void main(String[] args){

        test();

    }

}

 　　　　 0: iconst_1

         1: istore_0

         2: iconst_0

         3: istore_1

         4: iload_0

         5: iload_1

         6: ior

         7: ifeq          18

        10: getstatic     #2                  // Field java/lang/System.out:Ljava/io/PrintStream;

        13: ldc           #3                  // String |

        15: invokevirtual #4                  // Method java/io/PrintStream.println:(Ljava/lang/String;)V

        18: iload_0

        19: iload_1

        20: iand

        21: ifeq          32

        24: getstatic     #2                  // Field java/lang/System.out:Ljava/io/PrintStream;

        27: ldc           #5                  // String &

        29: invokevirtual #4                  // Method java/io/PrintStream.println:(Ljava/lang/String;)V

        32: return