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Interview Q&A / Java

INTERVIEW Q&A · 72 QUESTIONS

Java interview questions

Collections, the JVM, strings, exceptions and threads, the backbone of most campus placement rounds.

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  1. What is the difference between OutOfMemoryError and StackOverflowError?

    StackOverflowError happens when a thread call stack is exhausted, usually by endless recursion. OutOfMemoryError happens when the heap, or another memory area, cannot supply memory even after garbage collection.

    BeginnerQuick answer1 min read