see my discussion about using the Command pattern to apply discounts in an enterprise shopping cart. Rafael del Nero is a Java Champion and Oracle Ace, creator of the Java Challengers initiative ...

As noted, Java strings are immutable. Once created, a string using string class cannot be changed. Any attempted changes will create another string instance. Users can perform basic operations, such ...

Community driven content discussing all aspects of software development from DevOps to design patterns. The Java printf function helps simplify the task of printing formatted output to the console, ...