QUESTION 2. myContains that returns true if elem is in the list and false otherw

Question

QUESTION 2. myContains that returns true if elem is in the list and false otherwise is given. >myContains(12,-8,1,3,411) True myContains(12,-8,1,3,410) False myContains(12,-8,1,3,414) True >>> mycontainsi 2,4,1,3,49 False Define a function myContainsindex(list,elem) that returns -1 if elem in not in the list. If elem is in the list, the function returns the index of list where elem is found in the list,. For example (compare against above): omyContainsindex([2,-8,1,3,411) myContainsindes12-8.1,3,4L0 xo myContainsindext(2-8,1,3,414) ox myContainslndex(2-8.1.3,415) > myContainsindext12-8.1,3,415) 25 31

Explanation / Answer

In java in-built methods are available to do the same.

Please find the below snippet..

Source code

public boolean myContains(List<Integer> list,Integer i){

return list.contains(i);

}

public int myContainsIndex(List<Integer> list,Integer i){

if(myContains(list, i)){

return list.indexOf(i);

}else{

return -1;

}

}

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