GregorianCalendar get(int) in Java

get(int): This method is available in java.util.GregorianCalendar class of Java.

Syntax:

int java.util.Calendar.get(int field)

This method takes one argument of type int as its parameter. This method returns the value of the given calendar field.

Parameters: One parameter is required for this method.

field: the given calendar field.

Returns: the value for the given calendar field.

Throws:

ArrayIndexOutOfBoundsException - if the specified field is out of range(field < 0 || field >= FIELD_COUNT).

Approach 1: When no exception

Java

import java.util.GregorianCalendar;

public class GregorianCalendarget {
    public static void main(String[] args) {

        GregorianCalendar cal = new GregorianCalendar();

        int field = 0;

        System.out.println(cal.get(field));
    }
}

Output:

1

Approach 2: ArrayIndexOutOfBoundsException 

Java

import java.util.GregorianCalendar;

public class GregorianCalendarget {
    public static void main(String[] args) {

        GregorianCalendar cal = new GregorianCalendar();

        int field = -1;

        System.out.println(cal.get(field));
    }
}

Output:

Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: Index -1 out of bounds for length 17
	at java.base/java.util.Calendar.internalGet(Calendar.java:1871)
	at java.base/java.util.Calendar.get(Calendar.java:1858)