MonthDay compareTo() method in Java with Examples

The compareTo() method of MonthDay class in Java compares this month-day to another month-day.

Syntax:

public int compareTo(MonthDay other)

Parameter: This method accepts a parameter other which specifies the other month-day to compare to and not null.



Returns: The function returns the comparator value. It can be negative if it is less or positive if it is greater.

Exceptions: The function throws an NullPointerException if the other is null.

Below programs illustrate the MonthDay.compareTo() method:

Program 1:

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// Program to illustrate the compareTo() method
  
import java.util.*;
import java.time.*;
  
public class GfG {
    public static void main(String[] args)
    {
        // Parses the date
        MonthDay tm1 = MonthDay.parse("--12-06");
  
        // Uses the function
        LocalDate dt1 = tm1.atYear(2018);
  
        // Parses the date
        MonthDay tm2 = MonthDay.parse("--12-06");
  
        // Uses the function
        LocalDate dt2 = tm2.atYear(2018);
  
        // Prints the date
        System.out.println(dt1.compareTo(dt2));
    }
}

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Output:


0





Program 2: 











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// Program to illustrate the compareTo() method 


  


import java.util.*; 


import java.time.*; 


  


public class GfG { 


    public static void main(String[] args) 


    { 


        // Parses the date 


        MonthDay tm1 = MonthDay.parse("--10-06"); 


  


        // Uses the function 


        LocalDate dt1 = tm1.atYear(2018); 


  


        // Parses the date 


        MonthDay tm2 = MonthDay.parse("--12-06"); 


  


        // Uses the function 


        LocalDate dt2 = tm2.atYear(2018); 


  


        // Prints the date 


        System.out.println(dt1.compareTo(dt2)); 


    } 


} 



















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Output:


-2





Program 3: 











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// Program to illustrate the compareTo() method 


  


import java.util.*; 


import java.time.*; 


  


public class GfG { 


    public static void main(String[] args) 


    { 


        // Parses the date 


        MonthDay tm1 = MonthDay.parse("--10-06"); 


  


        // Uses the function 


        LocalDate dt1 = tm1.atYear(2018); 


  


        // Parses the date 


        MonthDay tm2 = MonthDay.parse("--09-06"); 


  


        // Uses the function 


        LocalDate dt2 = tm2.atYear(2018); 


  


        // Prints the date 


        System.out.println(dt1.compareTo(dt2)); 


    } 


} 



















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Output:


1





Reference: https://docs.oracle.com/javase/8/docs/api/java/time/MonthDay.html#compareTo-java.time.MonthDay-



          
          
          
          

            

    

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