Java – Page 18 – CodeRavo

Understanding Static and Non-Static Variables in Java

In Java, variables can be declared as either static or non-static. Understanding the difference between these … Understanding Static and Non-Static Variables in JavaRead more

access-modifiers, best practices, class-variables, instance-variables, Java, non-static-variables, static-variables

Understanding and Resolving Java PermGen Space Errors

Understanding and Resolving Java PermGen Space Errors The java.lang.OutOfMemoryError: PermGen space error is a common issue … Understanding and Resolving Java PermGen Space ErrorsRead more

classloader-leak, garbage collection, Java, JVM, jvm-options, memory management, metaspace, outofmemoryerror, permgen, tomcat

The Modulo Operator in Java

Understanding the Modulo Operator The modulo operator is a fundamental arithmetic operator that returns the remainder … The Modulo Operator in JavaRead more

arithmetic, bitwise, even, Java, math-floormod, modulo-operator, negative-numbers, odd, remainder, wrapping

Understanding and Utilizing Reflection in Programming

Understanding and Utilizing Reflection in Programming Reflection is a powerful feature available in many programming languages … Understanding and Utilizing Reflection in ProgrammingRead more

API, dynamic-programming, extensibility, framework, introspection, Java, meta-programming, reflection, runtime

Extracting Substrings Using Regular Expressions

Regular expressions, commonly referred to as regex, are a powerful tool used for matching patterns in … Extracting Substrings Using Regular ExpressionsRead more

capturing-groups, Java, regex-patterns, regular expressions, substring extraction

Converting HashMaps to JSON Objects and Strings in Java

Introduction In modern web applications, transferring data between a server and client often involves converting objects … Converting HashMaps to JSON Objects and Strings in JavaRead more

deserialization, Gson, HashMap, Jackson, Java, JSON, org-json-jsonobject, serialization

Converting Between Double and Integer in Java

In Java, converting between Double and Integer can be tricky due to their different representations as … Converting Between Double and Integer in JavaRead more

autoboxing, casting, double, integer, Java, math-round, rounding, unboxing

Converting Java Map to List: A Comprehensive Tutorial

Introduction In Java, the Map interface is used to store key-value pairs. It allows efficient retrieval … Converting Java Map to List: A Comprehensive TutorialRead more

ArrayList, collection, convert, HashMap, Java, key-value pairs, list, map, streams-api, TreeMap

Installing and Configuring Apache Maven on macOS

Installing and Configuring Apache Maven on macOS Apache Maven is a powerful build automation tool primarily … Installing and Configuring Apache Maven on macOSRead more

build-automation, configuration, Dependencies, Environment Variables, Homebrew, installation, Java, macOS, maven, tutorial

String Concatenation in Java: Understanding the Differences

String concatenation is a fundamental operation in programming, and Java provides several ways to achieve it. … String Concatenation in Java: Understanding the DifferencesRead more

best practices, Java, performance, String Concatenation