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Java StringBuilder reverse() method with example

StringBuilder Class reverse() method: Here, we are going to learn about the reverse() method of StringBuilder Class with its syntax and example.
Submitted by Preeti Jain, on December 22, 2019

StringBuilder Class reverse() method

  • reverse() method is available in java.lang package.
  • reverse() method is used to reverse this character sequence by the reverse of the sequence.
  • reverse() method is a non-static method, it is accessible with the class object only and if we try to access the method with the class name then we will get an error.
  • reverse() method does not throw an exception at the time of reversing this character sequence.

Syntax:

    public StringBuilder reverse();

Parameter(s):

  • It does not accept any parameter.

Return value:

The return type of this method is StringBuilder, it returns a reference to this StringBuilder object.

Example:

// Java program to demonstrate the example 
// of StringBuilder reverse() method of StringBuilder 


public class Reverse {
    public static void main(String[] args) {
        // Creating an StringBuilder object
        StringBuilder st_b = new StringBuilder("Java World ");

        // Display st_b 
        System.out.println("st_b = " + st_b);

        // By using reverse() method is to reverse the characters
        // of this st_b object
        st_b.reverse();

        // Display reversible st_b
        System.out.println("st_b.reverse() = " + st_b);
    }
}

Output

st_b = Java World 
st_b.reverse() =  dlroW avaJ





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