public static void main(String[] args) {
   if (args.length < 1) {
     print(usage);
     System.exit(0);
   }
   int lines = 0;
   try {
     Class<?> c = Class.forName(args[0]);
     Method[] methods = c.getMethods();
     Constructor[] ctors = c.getConstructors();
     if (args.length == 1) {
       for (Method method : methods) print(p.matcher(method.toString()).replaceAll(""));
       for (Constructor ctor : ctors) print(p.matcher(ctor.toString()).replaceAll(""));
       lines = methods.length + ctors.length;
     } else {
       for (Method method : methods)
         if (method.toString().indexOf(args[1]) != -1) {
           print(p.matcher(method.toString()).replaceAll(""));
           lines++;
         }
       for (Constructor ctor : ctors)
         if (ctor.toString().indexOf(args[1]) != -1) {
           print(p.matcher(ctor.toString()).replaceAll(""));
           lines++;
         }
     }
   } catch (ClassNotFoundException e) {
     print("No such class: " + e);
   }
 }
示例#2
0
  public static void main(String[] args) throws Exception {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    int num = Integer.parseInt(br.readLine().trim());
    Object o;

    // Solution starts here
    if (num < 1 || num > Math.pow(2, 30)) throw new Exception();
    Solution ob = new Solution();
    Class<?> c = Class.forName("Solution$Private");
    Constructor<?> constructor = c.getDeclaredConstructor(Solution.class);
    constructor.setAccessible(true);
    o = constructor.newInstance(ob);
    Method m = c.getDeclaredMethod("powerof2", new Class[] {int.class});
    m.setAccessible(true);
    String ans = (String) m.invoke(o, num);
    System.out.println(num + " is " + ans);
    // ends here

    System.out.println(
        "An instance of class: " + o.getClass().getSimpleName() + " has been created");
  } // end of main