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Editorial Team
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Asked: 2026-06-04T15:08:14+00:00

Let’s say I have a class Employee and I create the object of that

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Let’s say I have a class Employee and I create the object of that class as

Employee emp = new Employee();

What is the difference between the below two synchronized blocks

synchronized(emp){ } and
synchronized(Employee.class)
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1 Answer

  1. Editorial Team

    The first one uses one Employee instance as monitor. The second one uses the Employee class as monitor.

    If the goal is to guard instance variables of an employee, the first one is makes much more sense than the second one. If the goal is to guard static variables of the Employee class, the second one makes sense, but not the first one.

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