1. Which is the most accurate stance regarding java.lang.Error?
Errors like OutOfMemoryError or StackOverflowError signal serious conditions. They are unchecked and not intended for normal recovery logic.
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Spotify · Java
Practice Java questions specifically asked in Spotify interviews – ideal for online test preparation, technical rounds and final HR discussions.
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4
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Spotify
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Java
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Go through each question and its explanation. Use this page for targeted revision just before your Spotify Java round.
Errors like OutOfMemoryError or StackOverflowError signal serious conditions. They are unchecked and not intended for normal recovery logic.
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Use `map` for one-to-one transformations. Use `flatMap` for one-to-many where inner streams or collections are concatenated into a single stream.
1) Immutability: immutable objects can be shared freely—no races on state. 2) Confinement: keep mutable state confined to a single thread (e.g., ThreadLocal or task confinement) to avoid sharing. 3) Stateless functions and message passing: prefer pure functions; exchange data via queues, reducing shared mutable state. These reduce contention and simplify reasoning.
It guarantees timely, exception-safe closing of Closeable and AutoCloseable resources. Benefits: 1) Avoids leaks by closing even when exceptions occur. 2) Keeps code concise and readable; suppressed exceptions are preserved, aiding debugging.