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Tag: Efficiency

Core Java, Interview preparation, Java Trending Questions

ExecutorService in Java

Innovate Journey Dec 17, 2023 Tagged with #EXCEPTIONHANDLING, #JAVA, #MULTITHREADING, Efficiency

The Java ExecutorService is an interface which is present inside java.util.concurrent package. The ExecutorService interface is a subinterface of the Executor interface. It allows us to execute tasks asynchronously on threads. It allows us to submit tasks for execution. With …

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Core Java

Why HashMap does not support order

Innovate Journey Dec 12, 2023 Tagged with Collision Resolution, Data Structure, Efficiency, Hash Function, Hash Map, hash-map-order-preservation, Map in Java, Order Preservation

You A hash map, also known as a hash table, is a data structure that uses a hash function to map keys to indexes, allowing for efficient data retrieval. One of the reasons hash maps typically don’t maintain order is …

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