Core Java
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Expand Columns with Apache POI
Apache POI stands as a widely used Java API designed for programmatically manipulating various Microsoft Office documents including Word, Excel,…
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Check if Letter Is Emoji With Java
Emojis frequently manifest within text that we might need to handle in our code. This scenario often arises when dealing…
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Value-Based Classes in Java
In Java 8, value-based classes represent immutable data structures with defined value equality, crucial for functional programming paradigms. With Java…
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Detect End Of File (EOF) in a Java File
EOF (End of File) signifies the point at which we have finished reading a file. It’s crucial to grasp EOF…
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Enhancing Java API Documentation with Code Snippets
Java API documentation is a crucial resource for developers, providing insights into the classes, methods, and functionalities of various Java…
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Creating Stream of Regex Matches
Regular expressions, commonly known as regex, serve as a robust mechanism for pattern matching. They empower us to identify particular…
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Create a Flexible ArrayList for Multiple Object Types in Java
In Java programming, collections like ArrayList offer powerful data structure capabilities, but traditionally they’re designed to hold a single type…
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Replace Single Quote with \’ in Java String
In Java, char literals are defined within single quotes, while String literals are enclosed within double quotes. Additionally, single quotes…
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Double Precision Issue in Java
When working with floating-point numbers, it’s common to come across a rounding discrepancy referred to as the double precision problem.…
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Java Double vs. BigDecimal
The decision between using double and BigDecimal in Java can have a substantial effect on both the performance and the…
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