Java – Page 30 – CodeRavo

How to Send HTTP POST Requests in Java

Sending an HTTP POST request is a common task for interacting with web servers, especially when … How to Send HTTP POST Requests in JavaRead more

apache-httpclient, HTTP POST, httpurlconnection, Java, URL Encoding

Converting Strings to Characters in Java: Methods and Best Practices

Understanding how to convert data types efficiently is fundamental when programming. In Java, converting between String … Converting Strings to Characters in Java: Methods and Best PracticesRead more

char, charat, Conversion, Java, string, tochararray, Unicode

Deserializing Arrays of Objects with Jackson in Java

Introduction In modern web development, data interchange between client and server often involves JSON. Java applications … Deserializing Arrays of Objects with Jackson in JavaRead more

deserialization, Jackson, Java, JSON, objectmapper, objectreader, typereference

Understanding and Troubleshooting `java.net.SocketException: Connection reset` in Java Applications

Introduction The java.net.SocketException: Connection reset error is a common issue developers encounter when working with network … Understanding and Troubleshooting `java.net.SocketException: Connection reset` in Java ApplicationsRead more

connection-reset, glassfish, httpclient, Java, networking, socketexception, thread-pool-configuration, tls-ssl, tomcat, wireshark

Appending Text to a File in Java

In this tutorial, we will cover the different ways to append text to an existing file … Appending Text to a File in JavaRead more

appending-text, BufferedWriter, file handling, files-class, FileWriter, Java, printwriter, try-with-resources

Understanding and Resolving Java ClassNotFoundException

Understanding and Resolving Java ClassNotFoundException The ClassNotFoundException is a common runtime error in Java that indicates … Understanding and Resolving Java ClassNotFoundExceptionRead more

classnotfoundexception, classpath, Dependencies, jar, Java, JVM, package, runtime-error, troubleshooting

Converting Integers to Strings in Java: Understanding Different Approaches

Introduction When working with Java, converting data types is a common task. Specifically, transforming an integer … Converting Integers to Strings in Java: Understanding Different ApproachesRead more

data-type-conversion, int, Integer.toString(), Java, new-integer, primitive-types, string, String.valueOf(), wrapper-class

Encoding Strings to UTF-8 in Java: A Step-by-Step Guide

Introduction In software development, handling text data accurately across various systems and platforms is crucial. One … Encoding Strings to UTF-8 in Java: A Step-by-Step GuideRead more

bytebuffer, character-set, charset, data-handling, Java, string-encoding, UTF-8

Retrieving Keys from Values in Java Hash Maps

In Java, hash maps are widely used for storing and retrieving data. However, one common challenge … Retrieving Keys from Values in Java Hash MapsRead more

bimap, HashMap, iteration, Java, key-value pairs, performance optimization, Streams

Validating String Content: Ensuring Non-Null and Non-Empty Strings in Java

Understanding how to validate string content is a fundamental skill for any Java developer. When dealing … Validating String Content: Ensuring Non-Null and Non-Empty Strings in JavaRead more

empty-checks, Guava, isblank, isempty, Java, null-checks, short-circuit-evaluation, string validation, stringutils