In Java, a string is a sequence of characters. For example, "hello" is a string containing a sequence of characters 'h', 'e', 'l', 'l', and 'o'. In this tutorial, we will learn about strings in Java with the help of examples.

There are many string methods available, for example toUpperCase() and toLowerCase(): The indexOf() method returns the index (the position) of the first occurrence of a specified text in a string (including whitespace): String txt = "Please locate where 'locate' occurs!"; System.out.println(txt.indexOf("locate")); // Outputs 7.

Apr 8, 2025 · In Java, a String is the type of object that can store a sequence of characters enclosed by double quotes, and every character is stored in 16 bits, i.e., using UTF 16-bit encoding. A string acts the same as an array of characters.

Nov 19, 2024 · In this article, we will learn about the String class in Java. Example of String Class in Java: Explanation: The above program creates a string using a literal and prints it. There are two ways to create string in Java: 1. Using String literal. 2. Using new keyword. 1. String (byte [] byte_arr) Construct a new String by decoding the byte array.

Feb 8, 2023 · As we write text in the English language, the string data type is used for writing text in programming, the example is shown below. String name = "Amol" ; System.out.println(name); // it will print Amol.

Nov 26, 2024 · First is using “ concat ” method of String class and second is using arithmetic “+” operator. Both results in the same output. public static void main(String[] args){ Expected Output: Let’s ask the Java String class a few questions and see if it can answer them: How will you determine the length of given String?

Jun 27, 2024 · This article explores the creation, manipulation, and storage of strings in Java, covering both literal and dynamic allocation methods. Additionally, we will also be covering key classes and interfaces associated with strings, shedding light on their roles in handling textual data. The discussion includes practical examples and insights into ...

In this blog post, we will learn what is String, how to use it, its important methods with an example, why String is immutable, and the best practices to use Strings in Java. 1. What is a String? In Java, a string is a sequence of characters.

Strings are immutable, meaning that once a String object is created, it cannot be changed. This tutorial will cover all methods of the String class with examples and outputs, highlighting key points, use cases, best practices, and performance considerations. 1. Introduction.

Dec 18, 2024 · In Java, a String is a sequence of characters enclosed within double quotes (” “). Strings are one of the most commonly used data types in Java because they are essential for handling text in applications. In Java, strings are immutable, meaning their content cannot be changed once created. Instead, any modification creates a new string object.