Core Java
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Fixing ClassCastException: java.math.BigInteger cannot be cast to java.lang.Integer
The ClassCastException occurs when Java attempts to cast an object of one type to another, incompatible type. One common occurrence…
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Convert Month Name to Number in Java
When dealing with months in Java, we often use numbers because they provide a consistent format that works well across…
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Java Memory Management: Key Interview Questions and Expert Answers
Memory management is a crucial aspect of Java development, ensuring efficient use of system resources and preventing issues like memory…
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Check Array Is Null or Empty Example
1. Introduction An array is a data structure that holds a fixed number of elements with the same data type.…
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Java Flatten 2D array Into 1D Array
Arrays are the most basic data structures in any language. Although we don’t work on them directly in most cases,…
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Best Practices for Using DTOs in Java
Data Transfer Objects (DTOs) are essential components of Java applications, serving as intermediaries between different layers of the application. By…
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Quarkus Citrus Test Tutorial
Quarkus, as a Kubernetes-native Java stack, provides an efficient environment for building Java applications, especially for containerized environments. Testing is…
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Maven and Gradle: A Side-by-Side Comparison
In the realm of Java development, build tools play a crucial role in automating the process of building, testing, and…
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HashSet vs. TreeSet: A Comparative Analysis
HashSet and TreeSet are both implementations of the Set interface in Java, used to store unique elements. While they share…
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