StringBuffer compareTo() in Java

compareTo(): This method is available in java.lang.StringBuffer class of Java.

Syntax:

int java.lang.StringBuffer.compareTo(StringBuffer another)

This method takes one argument of type StringBuffer as its parameter. This method compares two StringBuffer instances lexicographically.

Parameters: One parameter is required for this method.

another: the StringBuffer to be compared with.

Returns:

1. The value 0 if this StringBuffer contains the same character sequence as that of the argument StringBuffer.

2. A negative integer if this StringBuffer is lexicographically less than the StringBuffer argument.

3. A positive integer if this StringBufferis lexicographically greater than the StringBuffer argument.

For Example:

StringBuffer str = new StringBuffer("Hello World")

StringBuffer another = new StringBuffer("Hello")

str.compareTo(another) = > It returns 6.

Approach

Java

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

        StringBuffer str = new StringBuffer("Hello World");

        StringBuffer another = new StringBuffer("Hello");
        System.out.println(str.compareTo(another));
    }
}

Output:

6