Java class loaders keep different versions of the same class in separate namespaces, ... Loaded class: java.lang.String Conclusion. It’s important to understand how the Java class loaders work.

Classes and objects in Java must be initialized before they are used. You’ve previously learned that class fields are initialized to default values when classes are loaded, and that objects are ...

Differences between Java length and length() Here are the key differences between the two Java length constructs and how to use them in code: The Java length property is used with the String class; ...

The convention for packages is different from the Java naming conventions used for variables, methods and reference types. Packages are always written in lowercase letters, with a dot between words. A ...