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Comparing Strings in Java 1. Overview In this article, we’ll talk about the different ways of comparing Strings in Java. As String is one of the most used data types in Java, this is naturally a very commonly used operation. 2. String Comparison with String Class ==== 2.1. Using “==”… Continue Reading java-compare-strings
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Convert String to int or Integer in Java 1. Introduction Converting a String to an int or Integer is a very common operation in Java. In this article, we will show multiple ways of dealing with this issue. There are a few simple ways to tackle this basic conversion. 2.… Continue Reading java-convert-string-to-int-or-integer
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Java String Conversions 1. Overview In this quick article, we’ll explore some simple conversions of String objects to different data types supported in Java. 2. Converting String to int or Integer If we need to convert a String to primitive int or Integer wrapper type, we can use either the… Continue Reading java-string-conversions
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Java 8 StringJoiner 1. Introduction StringJoiner is a new class added in Java 8 under java.util package. Simply put, it can be used for joining Strings making use of a delimiter, prefix, and suffix. 2. Adding Elements We can add Strings using the add() method: @Test public void whenAddingElements_thenJoinedElements() {… Continue Reading java-string-joiner
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Using indexOf to Find All Occurrences of a Word in a String 1. Overview The chore of searching for a pattern of characters, or a word, in a larger text string is done in various fields. In bioinformatics, for example, we may need to find a DNA snippet in a… Continue Reading java-indexOf-find-string-occurrences
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Convert a String to Title Case 1. Introduction In this short tutorial, we’ll show how to convert a String to title case format in Java. We’ll show different ways of implementing a custom method and we’ll also show how to do it using third party libraries. 2. Core Java Solutions… Continue Reading java-string-title-case
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Remove or Replace part of a String in Java 1. Overview In this tutorial, we’re going to be looking at various means we can remove or replace part of a String in Java. We’ll explore removing and/or replacing a substring using a String API, then using a StringBuilder API and finally using… Continue Reading java-remove-replace-string-part
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Finding the Difference Between Two Strings in Java 1. Overview This quick tutorial will show how to find the difference between two strings using Java. For this tutorial, we’re going to use two existing Java libraries and compare their approaches to this problem. 2. The Problem Let’s consider the following… Continue Reading java-difference-between-two-strings
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Add a Character to a String at a Given Position 1. Introduction In this quick tutorial, we’ll demonstrate how to add a character at any given position in a String in Java. We’ll present three implementations of a simple function which takes the original String, a character and the position… Continue Reading java-add-character-to-string
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String Processing with Apache Commons Lang 3 1. Overview The Apache Commons Lang 3 library provides support for manipulation of core classes of the Java APIs. This support includes methods for handling strings, numbers, dates, concurrency, object reflection and more. In addition to providing a general introduction to the library,… Continue Reading string-processing-commons-lang
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