If the package name of a java file does not match its location on the file system, we’ll get an error. We look at a few common causes for this and how to fix it.
Search Results for: package declaration
Finding All Classes in a Java Package
Learn how to find all classes in a Java package at runtime.
A Guide to jBPM with Java
Learn about the Business Process Management (BPM) System and its implementation in Java as jBPM System.
Guide to Java Reflection
A simple and practical guide to Java Reflection API
Introduction to AutoValue
AutoValue is a source code generator for value objects; simply put – it auto-generates the value-type objects with toString(), equals() and hashCode() implementations
Introduction to JavaParser
A quick and practical guide to JavaParser.
OpenAPI Generator Custom Templates
Learn how to use OpenAPI Generator Custom Templates to generate customized client and server code from REST API definitions.
Parse Java Source Code and Extract Methods
A quick and practical guide to parsing Java source code and extracting methods.
Static Final Variables in Java
In this tutorial, we learn how to declare and initialize constant variables.
Convert an XML Object to a String in Java
Learn how to convert an XML Document object to a string in Java.
Unnamed Classes and Instance Main Methods in Java 21
Learn about the unnamed classes and instance main methods in Java 21.
Classpath vs. Modulepath in Java
Explore the distinction between the modulepath and classpath in Java.
Analyze, Generate and Transform Code Using Spoon in Java
Learn how to use the Spoon library to analyze and modify Java source code.
Java Modularity and Unit Testing
Explore Java Modularity and learn how it affected the testing in Java applications.
Generate Unit Test Data in Java Using Instancio
Learn how to eliminate manual data setup in tests by auto-generating the data using Instancio.
Fixing the No Main Manifest Attribute in Spring Boot
We may sometimes get the No Main Manifest Attribute error when building our Spring Boot applications. We look at the root cause and how to fix it.
Advantages and Disadvantages of Using Java Wildcard Imports
Learn the advantages and disadvantages of using wildcard import statements in Java.
Java 9 Illegal Reflective Access Warning
Learn about Java 9 illegal reflective access warning
What Is an Apache Maven Artifact?
Learn what a Maven artifact is and get an understanding of coordinates, dependency management, and repositories.
Constructor Specification in Java
Learn the rules that Java language specified for the declaration of a constructor
