Java – Page 4 – CodeRavo

How to Format Dates and Times in Android Using Java's SimpleDateFormat

When developing an Android application, you often need to display dates and times in a user-friendly … How to Format Dates and Times in Android Using Java's SimpleDateFormatRead more

android, calendar, calendar-getinstance, date, Date Formatting, Java, Locale, simpledateformat

Running Spring Boot Applications from the Command Line

Spring Boot simplifies the development of standalone, production-ready Spring-based applications. While most developers use Integrated Development … Running Spring Boot Applications from the Command LineRead more

application, build, Command Line, deployment, Gradle, jar, Java, maven, run, spring-boot

Getting the Current Year in Java

Determining the Current Year in Java This tutorial explains how to reliably retrieve the current year … Getting the Current Year in JavaRead more

calendar, current-year, date, Java, java.time, Time, time-zones, year, zoneddatetime, zoneid

Efficiently Checking for Key Existence in HashMaps

Efficiently Checking for Key Existence in HashMaps HashMaps are a fundamental data structure in computer science, … Efficiently Checking for Key Existence in HashMapsRead more

containskey, data structures, efficiency, get, HashMap, Java, key existence, null values, performance

Managing SSL Connections with MySQL and JDBC

Understanding SSL and JDBC with MySQL When connecting to a MySQL database using Java Database Connectivity … Managing SSL Connections with MySQL and JDBCRead more

connection, connection-url, database, Java, jdbc, MySQL, Security, SSL, TLS, truststore

Working with Pairs and Tuples in Java

In Java, it is often necessary to work with pairs or tuples of values. A pair … Working with Pairs and Tuples in JavaRead more

abstractmap-simpleentry, abstractmap-simpleimmutableentry, Java, map-entry, pairs, records, tuples

Testing Private Methods in Java

Understanding the Challenges of Testing Private Methods In object-oriented programming, a core principle is encapsulation – … Testing Private Methods in JavaRead more

encapsulation, Java, mockito, powermock, private-methods, refactoring, reflection, testability, unit-testing

Understanding XML Binding with Java: Transition from JAXB to Jakarta XML Binding

Introduction XML (Extensible Markup Language) is a popular data interchange format used extensively in web services … Understanding XML Binding with Java: Transition from JAXB to Jakarta XML BindingRead more

jakarta-xml-binding, Java, java-ee, jaxb, maven-dependencies, unmarshal, XML, xml-serialization

Dynamic Array Resizing in Java

In Java, arrays are a fundamental data structure used to store collections of elements. However, one … Dynamic Array Resizing in JavaRead more

Apache Commons, ArrayList, Arrays, arrayutils, collections, dynamic-array-resizing, Java

Mockito’s @Mock and @InjectMocks: A Deep Dive

Introduction In unit testing, isolating the code under test is crucial for ensuring reliability and pinpointing … Mockito’s @Mock and @InjectMocks: A Deep DiveRead more

dependency-injection, injectmocks, Java, mock, mockito, mockito-annotations, test-isolation, testing-framework, unit-testing