get current day java

import java.time.format.DateTimeFormatter;  
import java.time.LocalDateTime;    
public class CurrentDateTimeExample1 {    
  public static void main(String[] args) {    
   DateTimeFormatter dtf = DateTimeFormatter.ofPattern("yyyy/MM/dd HH:mm:ss");  
   LocalDateTime now = LocalDateTime.now();  
   System.out.println(dtf.format(now));  
  }    
}   

Calendar calendar = Calendar.getInstance();
int day = calendar.get(Calendar.DAY_OF_WEEK); 

switch (day) {
    case Calendar.SUNDAY:
        // Current day is Sunday
        break;
    case Calendar.MONDAY:
        // Current day is Monday
        break;
    case Calendar.TUESDAY:
        // etc.
        break;
}