StringBuilder capacity() in Java

capacity(): This method is available in java.lang.AbstractStringBuilder class of Java.

Syntax:

int java.lang.AbstractStringBuilder.capacity()

This method returns the current capacity. The capacity is the number of characters that can be stored (including already written characters), beyond which an allocation will occur.

Parameters: NA

Returns: the current capacity.

For Example:

StringBuilder str = new StringBuilder("Hello 123")

str.capacity() = > It returns 25.

Approach

Java

public class Capacity {
    public static void main(String[] args) {

        StringBuilder str = new StringBuilder("Hello 123");
        System.out.println(str.capacity());

    }
}

Output:

25

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