Collections
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Core Java
Queue to List Conversion in Java
Queues and Lists are fundamental data structures in Java. The Java’s Queue interface represents a collection designed for holding elements…
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Core Java
Handle Null Values In ArrayList.addAll()
The ArrayList class in Java is a commonly used data structure. One of its methods, addAll(), allows us to add…
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Core Java
Java Arrays Sort decoded
Sorting is one the first algorithm that we learn in computer science. Sorting is such an interesting area that it…
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Core Java
9 differences between Array and ArrayList in Java
Both array and ArrayList are two important data structures in Java and are frequently used in Java programs. Even though…
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Core Java
10 Examples of using ArrayList in Java – Tutorial
ArrayList in Java is the most frequently used collection class after HashMap. Java ArrayList represents an automatic re-sizeable array and used…
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Core Java
Leaner Java Collections with FastUtil
In response to my recent post Discovering a Trove of Java Primitives Collection Handling on the GNU Trove library, TheAlchemist…
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Core Java
An introduction to optimising a hashing strategy
Overview The strategy that’s used for hashing keys, can have a direct impact on the performance of a hashed collections…
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Core Java
Optional in collections
Sometime it is argued that the type Optional is worth being used in collections. It allegedly solves the problem of…
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Core Java
Consuming java.util.concurrent.BlockingQueue as rx.Observable
Classical producer-consumer pattern is relatively simple in Java since we have java.util.concurrent.BlockingQueue. To avoid busy waiting and error-prone manual locking…
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