An array in Java is a type of variable that can store multiple values. It stores these values based on a key that can be used to subsequently look up that information. Arrays can be useful for ...

Generics make your code more flexible and easier to read, and they help you avoid ClassCastExceptions at runtime. Get started with this introduction to using generics with the Java Collections ...

A loop is a structure in programming that allows you to run the same section of code over and over. This can be used when you want to perform an iterative task (like counting, or sorting through a ...

Community driven content discussing all aspects of software development from DevOps to design patterns. To find the size or length of a Java array, follow these four steps Declare a variable of type ...

Do you need to know how to sort Java objects in a collection, array, or map? Here's how to use the Comparable and Comparator interfaces and avoid ClassCastExceptions. Programmers frequently need to ...

How to use the FILTER() dynamic array function in Excel Your email has been sent Filtering is a huge part of many Microsoft Excel sheets, and fortunately, there are ...

How to use wildcards with the XLOOKUP() function in Excel Your email has been sent Microsoft Excel’s XLOOKUP() is powerful, but combined with wildcards, it’s also flexible. Lookup functions are great ...

Community driven content discussing all aspects of software development from DevOps to design patterns. Follow these steps to find the length of a String in Java: Declare a variable of type String ...