Interview Q&A / Java
Java interview questions
Collections, the JVM, strings, exceptions and threads, the backbone of most campus placement rounds.
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- What does the static keyword mean in Java?
static means a member belongs to the class itself, not to any one object. A static variable has one shared copy, a static method can be called without creating an object, a static block runs once when the class is loaded, and a static nested class does not need an outer object.
IntermediateIn-depth3 min read - Can static, private and final methods be overridden in Java?
No. Final methods are forbidden from overriding, private methods are invisible to subclasses, and static methods belong to the class, so a same-named subclass method only hides the parent one instead of overriding it.
IntermediateQuick answer1 min read