Core Java
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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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Java Set Draw Example
In Java, when dealing with collections, it’s often useful to retrieve a random element – draw – from a Set.…
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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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Convert JSON To Java Map – Maps Comparison
Understanding how to read JSON documents as maps provides a powerful toolset for developers and data analysts. This introduction explores…
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Running a SQL Script File in Java
In Java, we can interact with databases using various libraries and frameworks, but sometimes we may need to run SQL…
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Lock Header Rows using Apache POI in Java
In this article, we’ll delve into a practical and invaluable aspect of Excel spreadsheet management: lock header rows with Apache…
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Java – Take n Start Elements of a list to an array
In this article, we’ll delve into how to take the start n elements from a list and convert them into…
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Java – Convert Epoch Time to LocalDate
In this article, we’ll delve into how to convert Epoch Time to LocalDate and LocalDateTime in Java. These classes are…
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Inner Classes vs. Subclasses in Java
In Java, an inner class is a class defined within another class, encapsulating it for organizational purposes. It can access…
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Create JSON Schema Automatically
In the dynamic realm of data-driven applications, the ability to create precise and adaptable JSON schemas is indispensable. Java offers…
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