Java – Page 3 – CodeRavo

Reading User Input in Java

Reading User Input in Java Java provides several ways to accept input from the user during … Reading User Input in JavaRead more

bufferedreader, console, data types, double, input, integer, Java, joptionpane, keyboard, reading-input, scanner, string

Understanding "public static void" in Java: A Beginner’s Guide to Method Modifiers

Welcome to this introductory guide aimed at helping you grasp what public, static, and void mean … Understanding "public static void" in Java: A Beginner’s Guide to Method ModifiersRead more

access-visibility, class-member, Java, main-method, method-signature, public-modifier, static-keyword, void-return-type

Efficiently Checking Object Fields in a Java List

Introduction When working with collections in Java, a common task is to determine if any object … Efficiently Checking Object Fields in a Java ListRead more

equals-method, functional programming, Guava, hashcode, Java, list, predicates, stream-api

Splitting Strings with Special Characters in Java

In Java, the split() method is used to divide a string into an array of substrings … Splitting Strings with Special Characters in JavaRead more

escape-characters, Java, regular expressions, special-characters, String splitting

Java Class File Versions: Understanding the 'major' and 'minor' Numbers

Java Class File Versions: Understanding the ‘major’ and ‘minor’ Numbers Java source code is compiled into … Java Class File Versions: Understanding the 'major' and 'minor' NumbersRead more

bytecode, class-file, class-file-format, Compatibility, Java, javap, JVM, major-version, minor-version, version

Working with JSON Arrays and Objects in Java

JSON (JavaScript Object Notation) is a lightweight data interchange format that is widely used for exchanging … Working with JSON Arrays and Objects in JavaRead more

builder pattern, Java, JSON, jsonarray, jsonobject, jsontokener

String Literals and Escape Sequences in Java

String Literals and Escape Sequences in Java In Java, strings are sequences of characters enclosed within … String Literals and Escape Sequences in JavaRead more

character-literal, double-quote, escape-sequence, Java, special-characters, string, string-literal, Unicode

Deserializing JSON with Jackson: Understanding and Solving Common Issues

Introduction to Deserialization with Jackson Jackson is a popular Java library used for serializing and deserializing … Deserializing JSON with Jackson: Understanding and Solving Common IssuesRead more

deserialization, Jackson, Java, JSON, kotlin, lombok, quarkus

Making RESTful Calls in Java

Making RESTful calls is a fundamental aspect of many modern web applications. In this tutorial, we … Making RESTful Calls in JavaRead more

apache-httpclient, httpurlconnection, Java, okhttp, restful-calls, spring-resttemplate

Configuring Log4j for Effective Logging

Log4j is a popular logging framework used in Java applications. It provides a flexible and customizable … Configuring Log4j for Effective LoggingRead more

appenders, configuration, Java, log4j, logger-levels, logging, properties-files, xml-files