Core Java
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HashMap to ArrayList In Java
In Java programming, converting HashMap values into an ArrayList is a common operation when transitioning between data structures. Let us…
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Skip First Iteration in Java
Iterating serves as a fundamental aspect of programming, empowering developers to navigate and manipulate data structures with ease. Nonetheless, circumstances…
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Guide to String Templates in Java 21
Java 21 introduced a powerful new feature called String Templates, offering a more versatile and secure way to construct strings…
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Java Arrays & Collections Sort Methods
Sorting in Java is a crucial aspect of programming, systematically enabling the organization of data. Let us delve into understanding…
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Merge Two Arrays and Delete Duplicates in Java
In Java programming, working with arrays is a common task. Often, we may find ourselves needing to merge two arrays…
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Case Insensitive String Handling in Java Lists
Checking if a List contains a string element while ignoring cases can be a common requirement, especially when dealing with…
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Converting Excel Data Into a List Of Java Objects
Understanding data mapping holds significant importance in software development. Given Excel’s widespread usage in data management, Java developers must learn…
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Check if String Contains Only Letters & Numbers
Ensuring that a string adheres to business rules is fundamental for the functionality of many applications. Frequently, we must verify…
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Mock Java Constructors using Mockito
Mockito‘s MockedConstruction feature allows developers to mock the construction of objects during testing, providing greater control and flexibility. This tutorial…
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Log4j 2 Config Using a Prop File
Log4j 2, an extensively used logging framework developed in Java, addresses numerous architectural shortcomings of its predecessor, Log4j. Renowned for…
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