Chapter 20.7, Problem 20.7.5CP

Explanation of Solution

binary() method for ArrayList or LinkedList:

The Collections.binary(list, key) is used to do the binary search for ArrayList or LinkedList. This method used to search the list based on the key.

The Syntax is given below:

Collections.binary(list, key);

For Example:

LinkedList<String> l = new LinkedList<>();

l.add("C");

l.add("Python");

l.add("Java");

Colections.binary(l, "Python");

Explanation:

• Create an object for LinkedList for “l” and add the values into list such as C, Python, and Java. Then, to search the list based on the key “Python” the following statement is used:

Collections.binary(l, "Python")

• The above statement search the list based on key and gives the result as 1.

Therefore, “Collections...