Java – CodeRavo

Character Encoding in Java: Understanding and Setting Defaults

In Java, character encoding plays a crucial role in ensuring that text data is correctly read … Character Encoding in Java: Understanding and Setting DefaultsRead more

character-encoding, charset, file-encoding, inputstreamreader, Java, outputstreamwriter, UTF-8

Converting Floating Point Numbers to Integers in Java

In Java, converting floating point numbers to integers is a common operation that can be performed … Converting Floating Point Numbers to Integers in JavaRead more

ceiling, floating point, floor, integer conversion, Java, math-round, rounding-modes, truncation

Converting Character Arrays to Strings in Java

In Java, character arrays and strings are two different data types that serve distinct purposes. While … Converting Character Arrays to Strings in JavaRead more

arrays.tostring, character-arrays, Conversion, Java, String.valueOf(), strings

Asserting Exceptions in JUnit 5

JUnit 5 provides a clean and expressive way to assert that a method throws an expected … Asserting Exceptions in JUnit 5Read more

assertions, assertthrows, error handling, exception-testing, Java, junit-5, unit-testing

Resolving "Could Not Find or Load Main Class" Errors in Java

Understanding and Fixing Java’s "Could Not Find or Load Main Class" Error The "Error: Could not … Resolving "Could Not Find or Load Main Class" Errors in JavaRead more

build-path, classpath, dependency management, eclipse, error, Gradle, ide, intellij, Java, main-class, maven, troubleshooting

Converting Between `long` and `String` in Java: A Comprehensive Tutorial

Introduction In Java, working with different data types is a common task. Converting between primitive data … Converting Between `long` and `String` in Java: A Comprehensive TutorialRead more

Concatenation, Conversion, Java, long, long-tostring, NumberFormatException, parselong, string, String.valueOf(), valueOf

Extracting File Extensions in Java

Introduction In many applications, especially those dealing with file management or processing, it is crucial to … Extracting File Extensions in JavaRead more

apache-commons-io, file-extension, filename-parsing, Guava, Java, string manipulation

Calculating the Sum of an Array in Java: Streams and Iterative Approaches

Introduction Calculating the sum of elements in an array is a common task in programming. In … Calculating the Sum of an Array in Java: Streams and Iterative ApproachesRead more

Arrays, arrays-stream, enhanced-for-loop, intstream, iteration, Java, Streams, sum, traditional-for-loop

Understanding and Handling `Thread.sleep()` and `wait()` in Java

Introduction In Java, concurrency is a powerful feature that allows multiple threads to operate simultaneously. However, … Understanding and Handling `Thread.sleep()` and `wait()` in JavaRead more

concurrency, interruptedexception, Java, notify, synchronization, thread-sleep, threading, timeunits, wait

Understanding Scanner Input Handling: Managing `nextInt()` and `nextLine()`

When working with Java’s Scanner class, especially for reading user inputs, developers might encounter a common … Understanding Scanner Input Handling: Managing `nextInt()` and `nextLine()`Read more

buffer, input-handling, Java, newline, nextint, nextline, scanner