JAVA

/** * This method returns whether the LinkedList contains a given number. * * Examples: * elem : 0 and LinkedList : 2 --> 3 --> null ==> return false * elem : 1 and LinkedList : 1 --> -3 --> null ==> return true * elem : -2 and LinkedList : -2 --> 3 --> -2 --> null ==> return true */ public boolean contains(int elem) { return false; }