Java程序  |  34行  |  887 B

/*
 * Copyright (C) 2015 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

public class Main {
  public static void main(String[] args) {
    int foo = Main.a;
    new Bar();
    foo = Main.a;
    if (foo != 43) {
      throw new Error("Expected 43, got " + foo);
    }
  }
  static int a = 42;
}

class Bar {
  static {
    Main.a++;
  }
}