Core Java
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Generate IPv4 Addresses From Numeric String Example
1. Introduction Internet Protocol version 4 (IPv4) is a 32-bit number that consists of four 8-bit sections (octets). Each octet…
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Optimize Java Applications for ARM Architecture
As the tech industry increasingly embraces ARM-based systems, such as AWS Graviton processors, optimizing Java applications for ARM architecture has…
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Include Jars In Java Classpath Example
In Java, the classpath is a crucial parameter that tells the Java Virtual Machine (JVM) where to find compiled class…
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GraalVM vs. JVM: Is Native Image the Future of Java Applications?
Java has long been a dominant force in the world of software development, thanks to the Java Virtual Machine (JVM)…
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Blockchain Development with Java: Building Smart Contracts and DApps
Blockchain technology has revolutionized the way we think about data security, transparency, and decentralization. With the rise of cryptocurrencies like…
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Java Exception With Null Message Handling
When developing Java applications, handling exceptions is crucial for debugging and ensuring robust code. Usually, when an exception is thrown…
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Public Class Must Be Declared in a Matching File – Java Error Resolved
Java enforces a strict naming convention when dealing with public classes. If a class is declared public, its filename must…
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Mockito Spy: Mocking a Method in the Same Class Example
Mockito is a popular testing framework for Java that helps in mocking dependencies. When dealing with unit tests, sometimes we…
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Java Objects.requireNonNull() Example
Null references have long been a source of errors in Java applications. A NullPointerException (NPE) is one of the most…
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