The Java.util.LinkedList.indexOf(Object element) method is used to check and find the occurrence of a particular element in the list. If the element is present then the index of the first occurrence of the element is returned otherwise -1 is returned if the list does not contain the element.
Parameters: The parameter element is of the type LinkedList. It specifies the element whose occurrence is needed to be checked in the LinkedList.
Return Value: The method returns the index or position of the first occurrence of the element in the list else -1 if the element is not present in the list. The returned value is of integer type.
Below program illustrate the Java.util.LinkedList.indexOf() method:
LinkedList:[Geeks, for, Geeks, 10, 20] The first occurrence of Geeks is at index: 0 The first occurrence of 10 is at index: 3
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