What is the preferred size of a component?

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The preferred size of a component is the minimum component size that will allow the component to display normally. In Java Swing, which is a part of the Core Java libraries, the “preferred size” of a component refers to the size that the component would like to be, given the opportunity. It’s the size that … Read more

Is null a keyword?

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The null is not a keyword. No, “null” is not a keyword in Java. In Java, “null” is a literal that represents the absence of a value or a null reference. Keywords in Java are reserved words that have a specific meaning and cannot be used as identifiers. Examples of keywords in Java include “class,” “public,” “static,” … Read more

What’s new with the stop(), suspend() and resume() methods in JDK 1.2?

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The stop(), suspend() and resume() methods have been deprecated in JDK 1.2. In Java, the stop(), suspend(), and resume() methods were deprecated starting from JDK 1.2 and have been strongly discouraged for use. These methods were deemed problematic due to their potential to cause deadlock and other thread-related issues. The recommended approach for controlling the execution of threads is to … Read more

Can a lock be acquired on a class?

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Yes, a lock can be acquired on a class. This lock is acquired on the class’s Class object. Yes, in Java, it is possible to acquire a lock on a class. In Java, every class and object has an associated lock, also known as a monitor. This lock is used to control access to the critical section … Read more

What is synchronization and why is it important?

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With respect to multithreading, synchronization is the capability to control the access of multiple threads to shared resources. Without synchronization, it is possible for one thread to modify a shared object while another thread is in the process of using or updating that object’s value. This often leads to significant errors. In the context of … Read more