Apache Commons – CodeRavo

Checking for Null and Empty Strings in Java

In Java, strings can be either null or empty. A null string means that the variable … Checking for Null and Empty Strings in JavaRead more

Apache Commons, empty-check, Java, kotlin, null-check, strings, stringutils

Dynamic Array Resizing in Java

In Java, arrays are a fundamental data structure used to store collections of elements. However, one … Dynamic Array Resizing in JavaRead more

Apache Commons, ArrayList, Arrays, arrayutils, collections, dynamic-array-resizing, Java

Converting Lists to Sets in Java: Methods and Best Practices

Introduction In Java, collections are fundamental for storing groups of objects. A List maintains elements in … Converting Lists to Sets in Java: Methods and Best PracticesRead more

Apache Commons, collections, comparator, Conversion, Guava, hashset, Java, list, ordering, set, Streams, treeset, uniqueness

Joining Strings in Java

Joining Strings in Java A common task in Java programming is combining multiple strings into a … Joining Strings in JavaRead more

android, Apache Commons, collectors, Guava, Java, join(), Stream, string, string manipulation, string-join, stringbuilder, textutils

String Repetition in Java

String Repetition in Java Often in programming, you need to repeat a string a certain number … String Repetition in JavaRead more

Apache Commons, collections-ncopies, google-guava, Java, repeat, string, string manipulation, string-join, string-repeat, string-repetition

Validating Integer Strings in Java

Determining if a String Represents an Integer Frequently in programming, you’ll encounter situations where you need … Validating Integer Strings in JavaRead more

Apache Commons, integer, Java, number-format, parsing, regular-expression, string, stringutils, validation

Accessing the First Element of Lists and Sets in Java: A Comprehensive Exploration

Introduction In many programming tasks, especially those involving collections such as lists or sets, it is … Accessing the First Element of Lists and Sets in Java: A Comprehensive ExplorationRead more

Apache Commons, collection, Guava, Java, kotlin, list, optional, set, stream-api

Removing Characters from Strings

When working with strings in programming, it’s common to need to remove characters from the beginning … Removing Characters from StringsRead more

Apache Commons, character removal, Java, regular expressions, strings, substring

Converting Strings to Integers in Java: A Comprehensive Guide

In Java, converting a string to an integer is a common operation that can be achieved … Converting Strings to Integers in Java: A Comprehensive GuideRead more

Apache Commons, Guava, integer parsing, Java, NumberFormatException, string conversion