public void setLenient(boolean leniency)

// Java code to illustrate
// setLenient() method
  
import java.text.*;
import java.util.*;
  
public class DateFormat_Demo {
    public static void main(String[] args)
    {
        // Initializing the first formatter
        DateFormat DFormat
            = DateFormat.getDateTimeInstance();
        System.out.println("Object: " + DFormat);
  
        // String formatting
        String str = DFormat.format(new Date());
  
        // Displaying the string time
        System.out.println(str);
  
        System.out.println("Leniency: "
                           + DFormat.isLenient());
  
        // Changing the leniency
        DFormat.setLenient(false);
  
        // Displaying the modified leniency
        System.out.println("New Leniency: "
                           + DFormat.isLenient());
    }
}

Object: java.text.SimpleDateFormat@7945516e
Mar 28, 2019 6:03:48 PM
Leniency: true
New Leniency: false

// Java code to illustrate
// setLenient() method
  
import java.text.*;
import java.util.*;
  
public class DateFormat_Demo {
    public static void main(String[] args)
    {
        // Initializing the first formatter
        DateFormat DFormat
            = DateFormat.getDateInstance();
  
        System.out.println("Object: " + DFormat);
  
        // String formatting
        String str = DFormat.format(new Date());
  
        // Displaying the string time
        System.out.println(str);
  
        System.out.println("Leniency: "
                           + DFormat.isLenient());
  
        // Changing the leniency
        DFormat.setLenient(false);
  
        // Displaying the modified leniency
        System.out.println("New Leniency: "
                           + DFormat.isLenient());
    }
}

Object: java.text.SimpleDateFormat@ce9bf0a5
Mar 28, 2019
Leniency: true
New Leniency: false