Analyze the following code. import java.util.*; public class Test{public static

Question

Analyze the following code. import java.util.*; public class Test{public static void main(String[] args) throwsE xception {Treesetset - new Treeset0; set add("Red"); set add("Yellow"); set add("Green"), set add("Blue"); SortedSet temp = setheadset("Purple"); System.out.println(temp.first();}} A. The program displays Red B. The program displays Blue C. The program displays Green D. The program displays Yellow E. The program displays Purple if you want to store non-duplicated objects in the order in which they are inserted, you should use___. A. HashSet B. LinkedHashSet C. TreeSet D. ArrayList E. LinkedList Suppose set s1 is[1, 2, 5] and set s2 is [2, 3, 6]. After s1.addAll(s2), s1 is___ A. [1, 2, 2, 3, 5, 6] B. [1, 2, 3, 5, 6] C. [1, 5] D. [2] Which of the following operations are supported by a list? A. Retrieve an element from this list. B. Insert a new element to this list. C. Delete an element from this list. D. Find how many elements are in this list. E. Find whether an element is in this list.

Explanation / Answer

Answer for 34: option B ---> The program displays Blue

Basically we are displaying the first element of the sorted tree set in this program. Hence the program will display blue

Answer for 35: option B ---> LinkedHashSet

It is a hastable and linked list implementation of the set interface that contains unique elements and maintains order.

Answer for 36: Option B ---> [1, 2, 3, 5, 6]---> addAll adds all the specified elements to the specified collection. Here it is a set which maintains unique elements. Hence the output will be unique elements after addAll operation.

Answer for 37: Option A, B , C, D, E ----> All the options are valid because list supports all the methods mentioned in the options.

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