Write a program to insert given element at top by using one of the Queue interface methods.
Input (ArrayDeque, String) |
Output (ArrayDeque) |
[Lion, Tiger, Cat, Rabbit, Mouse], 'Bat' |
[Bat, Lion, Tiger, Cat, Rabbit, Mouse] |
[Rose, Jasmine, Lotus, Peacock], 'Cassia' |
[Cassia, Rose, Jasmine, Lotus, Peacock] |
[1, 2, 3, 4, 5, 6], '9' |
[9, 1, 2, 3, 4, 5, 6] |
[Ferrari, BMW, Mercedes, Audi, Ford], null |
null |