Mixed Initializer : Initialization Block « Class Definition « Java Tutorial

1. Java Tutorial
2. Class Definition
3. Initialization Block

public class MixedInitializer {
  int i1;
  static int i2;
  int i3 = 2;
  static int i4 = 4;
  {
    System.out.println("i1 = " + i1);
    i1 = 6;
    System.out.println("i1 = 6");
  }
  static {
    System.out.println("i2 = " + i2);

    i2 = 8;

    System.out.println("i2 = 8");
  }

  public static void main(String[] args) {
    System.out.println("main() entered");
    MixedInitializer mi = new MixedInitializer();
    System.out.println("mi.i1 = " + mi.i1);
    System.out.println("i2 = " + i2);
    System.out.println("mi.i3 = " + mi.i3);
    System.out.println("i4 = " + i4);

    System.out.println("main() exited");
  }

  {
    i1 += 6;
    System.out.println("6 + i1");
  }

  static {
    i2 -= 3;
    System.out.println("i2 -= 3");
  }
}