OnJava8-Examples/lowlevel/Atomicity.java

// lowlevel/Atomicity.java
// (c)2017 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://OnJava8.com for more book information.
// {javap -c Atomicity}

public class Atomicity {
  int i;
  void f1() { i++; }
  void f2() { i += 3; }
}
/* Output:
Compiled from "Atomicity.java"
public class Atomicity {
  int i;
  public Atomicity();
    Code:
       0: aload_0
       1: invokespecial #1                  // Method
java/lang/Object."<init>":()V
       4: return
  void f1();
    Code:
       0: aload_0
       1: dup
       2: getfield      #2                  // Field i:I
       5: iconst_1
       6: iadd
       7: putfield      #2                  // Field i:I
      10: return
  void f2();
    Code:
       0: aload_0
       1: dup
       2: getfield      #2                  // Field i:I
       5: iconst_3
       6: iadd
       7: putfield      #2                  // Field i:I
      10: return
}
*/