Java – Page 22 – CodeRavo

Resolving `UnknownHostException` in Java Networking

Understanding UnknownHostException The java.net.UnknownHostException is a common runtime exception in Java networking applications. It signals that … Resolving `UnknownHostException` in Java NetworkingRead more

dns, hostname, hosts-file, ip-address, Java, network-connectivity, networking, resolution, troubleshooting, unknownhostexception

Working with Floating-Point Numbers and Strings in Java

Converting Between Floats and Strings in Java Java frequently requires converting between numeric types like float … Working with Floating-Point Numbers and Strings in JavaRead more

comparison, Conversion, data types, float, Java, NumberFormatException, parseFloat, precision, string, tostring

Understanding Bitwise Shift Operators: A Beginner's Guide

Introduction Bitwise shift operators play a crucial role in low-level programming and optimization techniques. These operators … Understanding Bitwise Shift Operators: A Beginner's GuideRead more

arithmetic-shift, bit-manipulation, bitwise-shift, c#, integer-division, integer-multiplication, Java, left-shift, logical-shift, optimization, right-shift

Defining Constants in Java

In Java, constants are values that do not change during the execution of a program. They … Defining Constants in JavaRead more

best practices, constants, Enums, Java, naming-conventions, static-final

Working with Array Sizes in Java

Introduction to Java Arrays and Their Size Arrays are fundamental data structures in Java (and most … Working with Array Sizes in JavaRead more

Array, array size, collections, data structures, jagged-array, Java, length, multi-dimensional-array, one-dimensional-array, size

Running Executable JAR Files in Java

Running Executable JAR Files in Java JAR (Java Archive) files are commonly used to package Java … Running Executable JAR Files in JavaRead more

build-tools, classpath, Executable JAR, Gradle, jar, Java, java-archive, main-class, manifest, maven

Making HTTP POST Requests with JSON in Java

Making HTTP POST Requests with JSON in Java This tutorial will guide you through the process … Making HTTP POST Requests with JSON in JavaRead more

API, Gson, HTTP, httpclient, Java, JSON, network-programming, post-request, rest

Parsing and Formatting Date-Time Values in Java with Time Zones

In this tutorial, we will explore how to parse and format date-time values in Java while … Parsing and Formatting Date-Time Values in Java with Time ZonesRead more

date-time, datetimeformatter, instant, ISO 8601, Java, java.time, simpledateformat, Time Zone, zoneddatetime

Changing Background Colors in Android Apps: A Comprehensive Approach

Welcome to this guide on changing background colors in Android applications. Changing a UI element’s color … Changing Background Colors in Android Apps: A Comprehensive ApproachRead more

android, background-color, gradients, Java, kotlin, programmatically, ui-design, xml-layout

Using the instanceof Operator in Java

The instanceof operator is a fundamental concept in Java that allows you to check if an … Using the instanceof Operator in JavaRead more

inheritance, instanceof, interfaces, Java, operator, polymorphism