Core Java اسئلة واجوبة المقابلات
Question: Does Java have destructors?Answer: Garbage collector does the job working in the backgroundJava does not have destructors; but it has finalizers that does a similar job. the syntax is public void finalize(){ } if an object has a finalizer, the method is invoked before the system garbage collects the object |
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الاكثر فائدة حسب تقييم المستخدمين:
- How could Java classes direct program messages to the system console, but error messages, say to a file?
- What are the differences between an interface and an abstract class?
- Why would you use a synchronized block vs. synchronized method?
- How can you force garbage collection?
- What are the differences between the methods sleep() and wait()?