HashMap equals(Object) in Java

equals(Object): This method is available in java.util.HashMap class of Java.

Syntax:

boolean java.util.AbstractMap.equals(Object o)

This method takes one argument. This method compares the specified object with this map for equality. Returns true if the given object is also a map and the two maps represent the same mappings.

Parameters: One parameter is required for this method.

o: object to be compared for equality with this map.

Returns: true if the specified object is equal to this map.

Exceptions: NA

Approach

Java

import java.util.HashMap;

public class HashMapequals {
    public static void main(String[] args) {
        HashMap<String, Integer> hashMap = 
                           new HashMap<String, Integer>();

        hashMap.put("Hello", 1);
        hashMap.put("World", 2);
        HashMap<String, Integer> o = 
                              new HashMap<String, Integer>();

        o.put("Hello", 1);
        o.put("World", 2);

        System.out.println(hashMap.equals(o));

    }
}

Output:

true