Category: Java

Quick Answer: What Is An Instance Variable In Java?

What is instance variable in Java example? Instance variables are created when an object is created with the use of the keyword ‘new’ and destroyed when the object is destroyed. Instance variables hold values that must be referenced by more than one method, constructor or block, or essential parts of an object’s state that must…

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Readers ask: How To Use Set In Java?

What is set in Java? A Set is a Collection that cannot contain duplicate elements. It models the mathematical set abstraction. Two Set instances are equal if they contain the same elements. The Java platform contains three general-purpose Set implementations: HashSet, TreeSet, and LinkedHashSet. How do sets work in Java? Set achieves the uniqueness in…

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Quick Answer: What Is Api Java?

What is API in Java with example? An API can be described as a way to enable computers to possess a common interface, to allow them to communicate with each other. Java Application Programming Interface ( API ) is the area of Java development kit (JDK). An API includes classes, interfaces, packages and also their…

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