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Core Java
A Guide To Jackson-jr Library
1. Introduction JavaScript Object Notation (JSON) is a text-based format for storing and exchanging data. It’s commonly used by web…
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Core Java
Converting UTF-8 to ISO-8859-1
1. Introduction ISO 8859 is an eight-bit extension to ASCII developed by the International Organization for Standardization (ISO). ISO 8859…
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Core Java
Normalize End Of Line Character
1. Introduction An end-of-line (EOL) character is a special character that marks the end of a line in a text…
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Core Java
Add Elements to an Immutable List
1. Introduction In Java, immutable objects are designed to have their state remain unchanged throughout their lifetime to ensure thread…
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Core Java
Read a .gz File via GZIPInputStream
1. Introduction GZIP, short for GNU Zip, is a compression technology used for transferring data over the internet. Java built-in…
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Core Java
Flatten a Stream of Maps to a Single Map in Java
1. Overview Working with streams of data has become a common task in Java development since Java 8. Often, these…
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Enterprise Java
OpenAPI Generator Custom Templates
1. Introduction Open API is a specification for designing and documenting RESTful APIs. OpenAPI generator is a tool used in…
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Core Java
How to Convert Excel to JSON in Java
1. Introduction When Java applications deal with data interchange between different systems, it’s common to convert Excel to JSON. Apache…
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Enterprise Java
Spring Security AuthorizationManager
1. Introduction Spring Security AuthorizationManager is part of Spring Security that is an extension of the Spring Framework that supports…
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