Write a program that takes a string and counts the frequency of each character (excluding spaces) using streams. Return a Map<Character, Long> with the character as the key and the count as the value.

The Spark library provides a fluent interface for validating and transforming input data in Java. It includes functionality for validating strings and integers with a variety of built-in methods, ...

Split the input string considering as string separator all the characters with the only exception of the characters specified in charsDoNotBeRemoved param. static java.lang.String[] ...

In prior Java 101 articles, I referred to the concepts of redirection, standard input device, and standard output device. To demonstrate inputting data, several examples called System.in.read(). It ...

Java’s character and assorted string classes offer low-level support for pattern matching, but that support typically leads to complex code. For simpler and more efficient coding, Java offers the ...

The language is expressive enough to represent a wide variety of string manipulation tasks that end-users struggle with. We describe an algorithm based on several novel concepts for synthesizing a ...

Abstract: Generating realistic, branch-covering string inputs is a challenging problem, due to the diverse and complex types of real-world data that are naturally encodable as strings, for example ...