A program inputs its data from the standard input device by calling Java’s System.in.read() ... Java 101 picks up the pace when you begin exploring the object-oriented entities of the Java language.

The Java input/output (I/O) facilities provide a simple, ... For example, the ObjectInputStream class provides methods that allow you to read data from a stream as a Java object, ...

Java programmers use data structures to store and organize data, and we use algorithms to manipulate the data in those structures. The more you understand about data structures and algorithms, and ...