Apr 18, 2025 · The StringBuffer class in Java represents a sequence of characters that can be modified, which means we can change the content of the StringBuffer without creating a new object every time. It represents a mutable sequence of characters.

Let's see some important methods available in the StringBuffer class with an example. The append () method adds the specified value to the end of the current string. The insert () method adds the specified value at the given index. The delete () method removes characters within a …

Jul 22, 2014 · In this example, we are going to present the StringBuffer class in Java, and StringBuffer vs StringBuilder which is contained in the java.lang package. We are going to show some of its most important uses and methods, and explain why and when it should be used, as well as the difference between StringBuffer and String .

Oct 25, 2022 · Java StringBuffer class is used to create mutable strings. A mutable string is the one which can be modified. StringBuffer is an alternative to Java String class. In this guide, we will discuss StringBuffer class in detail. We will also cover important methods of Java StringBuffer class with examples. Constructors of StringBuffer class Example of

StringBuffer provides methods to append, insert, delete, reverse, replace, and manipulate strings in various ways. These methods allow you to modify the content of the StringBuffer object. append(): Adds the specified string representation to the end of the StringBuffer.

Commonly used methods of StringBuffer class. 1. Append the specified string at the end of this string. 2. Insert the specified string at the offset indicated position. 3. Replace the substring of the string buffer from startIndex to endIndex-1 with the specified string. 4. delete the substring of the string buffer from startIndex to endIndex-1. 5.

Feb 3, 2021 · The principal operations on a StringBuffer are the append and insert methods, which are overloaded so as to accept data of any type. Each effectively converts a given datum to a string and then appends or inserts the characters of that string to the string buffer. Every string buffer has a capacity. As long as the length of the character ...

In this article, we studied many stringbuffer methods in java like insert, delete, replace, length, capacity, append, etc with explanations and proper examples. All other methods are summarized in the table.

Sep 18, 2023 · StringBuffer is a mutable, final, and synchronized (thread-safe) Java class that was introduced in the JDK 1.0 version and is available in the java.lang package. The StringBuffer class is used to create a mutable String object (the object can be changed once created).

Apr 13, 2025 · StringBuffer is similar to StringBuilder but with one key difference: all its methods are synchronized, making it thread-safe. This makes StringBuffer a good choice when working with strings in multi-threaded environments. The StringBuffer class provides many methods for string manipulation.