Imagine that your typical Java array is an Excel spreadsheet. Were that the case, you’d have created a table with just a single column. We might consider it a “one dimensional” database, in ...

To find the size of a Java array, query an array’s length property. The Java array size is set permanently when the array is initialized. The size or length count of an array in Java includes both ...

Java’s String class encapsulates an array of bytes. A byte can be converted to a char, in which case, String becomes an array of characters used to compose words, sentences, or any other data ...

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 { ...