public boolean equals(Object obj)

// Java code to illustrate equals() method
  
import java.text.*;
import java.util.*;
  
public class DateFormat_Demo {
    public static void main(String[] args)
    {
        // Initializing the first formatter
        DateFormat DFormat1
            = DateFormat.getDateInstance();
  
        // Initializing the second formatter
        DateFormat DFormat2
            = DateFormat.getDateInstance();
  
        // Displaying both the Formats
        Date date = new Date();
        String str_Date1
            = DFormat1.format(date);
        System.out.println("First: "
                           + (str_Date1));
  
        String str_Date2
            = DFormat2.format(date);
        System.out.println("Second: "
                           + (str_Date2));
  
        // Comparing both the objects
        System.out.println("Equality: "
                           + DFormat1.equals(DFormat2));
    }
}

First: Mar 27, 2019
Second: Mar 27, 2019
Equality: true

// Java code to illustrate equals() method
  
import java.text.*;
import java.util.*;
  
public class DateFormat_Demo {
    public static void main(String[] args)
    {
        // Initializing the first formatter
        DateFormat DFormat1
            = DateFormat.getDateInstance();
  
        // Initializing the second formatter
        DateFormat DFormat2
            = DateFormat.getTimeInstance();
  
        // Displaying both the Formats
        Date date = new Date();
        String str_Date1
            = DFormat1.format(date);
        System.out.println("First: "
                           + (str_Date1));
  
        String str_Date2
            = DFormat2.format(date);
        System.out.println("Second: "
                           + (str_Date2));
  
        // Comparing both the objects
        System.out.println("Equality: "
                           + DFormat1.equals(DFormat2));
    }
}

First: Mar 27, 2019
Second: 11:04:25 AM
Equality: false