atomicity.java

来自「Thinking in JAVA第四版源代码」· Java 代码 · 共 30 行

//: concurrency/Atomicity.java
// {Exec: javap -c Atomicity}

public class Atomicity {
  int i;
  void f1() { i++; }
  void f2() { i += 3; }
} /* Output: (Sample)
...
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
*///:~