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The get() method of List interface in Java is used to get the element present in this list at a given specific index.
Example:
Element at index 2 : 30
E get(int index)
Where, E is the type of element maintained by this List container.
Parameter : This method accepts a single parameter index of type integer which represents the index of the element in this list which is to be returned.
Return Value: It returns the element at the specified index in the given list.
Errors and exception : This method throws an IndexOutOfBoundsException if the index is out of range (index=size()).
Below programs illustrate the get() method:
Program 1 :
List: [10, 20, 30, 40] The element at index 2 is 30
Program 2 : Program to demonstrate the error.
java.lang.IndexOutOfBoundsException: Index: 8, Size: 4
Reference: https://docs.oracle.com/javase/7/docs/api/java/util/List.html#get(int)