Specifications

Sun Services
Java™ Programming Language Module 13, slide 18 of 37
Copyright 2005 Sun Microsystems, Inc. All Rights Reserved. Sun Services, Revision F
The Object Lock Flag
Object this
public void push(char c) {
synchronized (this) {
data[idx] = c;
idx++;
}
}
Thread after synchronized(this)
Code or
Behavior
Data or
State