How to write a Java palindrome program for Strings Good programmers need to create code that efficiently solves problems, using various methods. A popular academic exercise is to create a program that ...

How to add Java Scanner char support The Java Scanner class provides methods that take String input and convert that String into any Java primitive type you might need, except for one: the char.

Have you ever wondered how Java's String methods, keywords, and operators process comparisons in a String pool? Here's your chance to find out!

The example code below shows how to use Java’s DirectoryStream in a method to list the files of a directory: public Set<String> listFilesUsingDirectoryStream(String dir) throws IOException { ...

Here's how to make classes, fields, methods, constructors, and objects work together in your Java programs.