Linear and Binary Search
Searching is to find a target in a collection of elements, or determine the target does not exist. Here we consider data in arrays stored in the memory; while in real problems data may be stored in disk files, databases, …
Year: 2019
Recursion
What is Recursion In general, recursion is the process of repeating items in a self-similar way. In programming, recursion is that a method calls itself to accomplish its purpose. Recursion appears in many areas. Arts: Drawing Hands by Escher, http://en.wikipedia.org/wiki/Drawing_Hands …
Arrays in Java
An array stores a collection of values (elements) which are all of the same type. The following statement creates an array of integers: The array variable arr is of the type int[], where int is the type of the elements. …
Strings in Java
Recall that a class is a description of an object type. An object is an instantiation of a class. A class may have one or more constructors, which are called when an object is created. An object variable is essentially …