java basics
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Core Java
Java Iteration Mechanisms: Enumeration, Iterator, ListIterator, Spliterator
In Java, an Iterator is a mechanism used to traverse through a collection of objects, such as arrays, lists, or…
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Core Java
Java int to long conversion
Converting data types is an essential aspect of programming in any language. In Java, developers often find themselves needing to…
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Core Java
Stop Java Code Running
In Java, stopping the execution of further code is often achieved using the return statement. Placed within a method, “return”…
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Core Java
Minus-minus greater check in Java
In Java --> does not represent anything practical but in fact, if broken down it is represented as (i-- >…
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Core Java
Obtain Regex Pattern Matches Indexes
In the realm of Java programming, working with strings and patterns is indispensable for numerous applications. Regular expressions, often referred…
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Core Java
Get Content Between Square Brackets
In the world of text processing, extracting information enclosed within square brackets has become an important task. Square brackets often…
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Core Java
Check Key-Value Pair Existence In JSON Array
JSON (JavaScript Object Notation) is a lightweight data interchange format. It uses key-value pairs to store data objects. Keys are…
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Core Java
Get First Set Item
A Java Set is a collection that stores unique elements, ensuring that no duplicates are allowed, and maintains (or not)…
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Core Java
Java Holder Class
In Java, the Holder class is not part of the standard language itself. What we are referring to here is…
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Core Java
Java Iterator vs. ListIterator
In Java, an Iterator is an interface that is part of the Java Collections Framework, which provides a way to…
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