Overview: Avoiding common Java mistakes significantly improves application speed, memory use, and overall stability.Choosing the right data structures and closi ...

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 Java string is a sequence of characters that exists as an object of the class java.lang. Java strings are created and manipulated through the string class. Once created, a string is immutable -- its ...

Manipulating calendar dates is an essential aspect of many applications written in Java. Traditionally, developers relied on the java.util.Calendar class to get the ...

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 ...

Value stream management involves people in the organization to examine workflows and other processes to ensure they are deriving the maximum value from their efforts while eliminating waste — of ...

I know we've had many fine threads on exceptions in Java. Hopefully this particular question hasn't been discussed to death. I solved Problem 11 on Project Euler today. It requires you to do a bunch ...

In context: Despite being designed in 1959, the COBOL programming language is still widely used in applications deployed on mainframe computers. COBOL offers secure, reliable and transactional ...