Java Interview

Difference between HashMap and LinkedHashMap in Java

Hey everyone, welcome back to the blog post! Today, we’re comparing two important implementations of the Map interface in Java—HashMap and LinkedHashMap. While they share many similarities, there are a few key differences when it comes to ordering and performance. Let’s dive into the details and see some examples to understand when you should use …

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Difference between ArrayList and HashSet in Java

Hey everyone, welcome back to my blog! In today’s blog post, we’ll be comparing two popular collections in Java—ArrayList and HashSet. While both are used to store collections of objects, they behave differently in terms of ordering, performance, and duplicate handling. Let’s dive into the differences and see some examples to clarify these concepts! Difference …

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HashSet vs LinkedHashSet vs TreeSet in Java

Hey everyone, welcome back to my blog! In today’s blog post, we’ll be comparing three important implementations of the Set interface in Java—HashSet, LinkedHashSet, and TreeSet. While all three are used to store unique elements, they behave differently in terms of performance, ordering, and structure. Let’s dive into the differences and see some examples in …

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Difference between HashSet and TreeSet in Java

Hey everyone, welcome back to the blog! In today’s blog post, we’ll discuss two important implementations of the Set interface in Java—HashSet and TreeSet. Both are used to store unique elements, but they have different behaviors when it comes to ordering, performance, and how they store data. Let’s dive into the differences and look at …

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Difference Between ArrayList and LinkedList

Hey everyone, welcome back to the blog! Today, we’re going to compare two commonly used list implementations in Java—ArrayList and LinkedList. While they both implement the List interface, they behave quite differently under the hood. So, let’s break down their differences and see when you should use one over the other.” Difference Between ArrayList and …

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