Object hashCode() in Java

hashCode(): This method is available in java.lang.Object class of Java.

Syntax:

int java.lang.Object.hashCode()

This method returns a hash code value for the object.

Parameters: NA

Returns: a hash code value for this object.

Exceptions: NA

Approach

Java

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

        // String object
        Object obj = "Java is a progrmming language.";

        System.out.println(obj.hashCode());
    }
}

Output:

1975900631

Some other methods of Object Class.

equals(): This method indicates whether some other object is "equal to" this one.

getClass(): The returned Class object is the object that is locked by static synchronized methods of the represented class.

toString(): This method returns a string representation of the object.