For Questions 4 – 5, suppose that wordList is a non-empty ArrayList. 4. Which of the following lines would print out the last element of wordList? A. System. out.println ( wordList.size () ); B. System. out.println ( wordList.size ()-1 ); C. System.out.println( wordList[wordList.size ()-1] ); D. System.out.println ( wordList.get (wordList.size ()) ); E. System.out.println ( wordList.get (wordList.size () -1) ); Diagram with Justification 5. Which of the following would print out the length of the first word in wordList? I. System.out.println ( wordList.get (0).length () ); II. System.out.println( wordList [0].length () ); III. System.out.println ( wordList.get (0).size () ); A. I only B. Il only C. III only D. I and III only E. None of them Diagram with Justification
For Questions 4 – 5, suppose that wordList is a non-empty ArrayList. 4. Which of the following lines would print out the last element of wordList? A. System. out.println ( wordList.size () ); B. System. out.println ( wordList.size ()-1 ); C. System.out.println( wordList[wordList.size ()-1] ); D. System.out.println ( wordList.get (wordList.size ()) ); E. System.out.println ( wordList.get (wordList.size () -1) ); Diagram with Justification 5. Which of the following would print out the length of the first word in wordList? I. System.out.println ( wordList.get (0).length () ); II. System.out.println( wordList [0].length () ); III. System.out.println ( wordList.get (0).size () ); A. I only B. Il only C. III only D. I and III only E. None of them Diagram with Justification
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
Related questions
Question
Java
![For Questions 4 – 5, suppose that wordList is a non-empty ArrayList<String>.
4. Which of the following lines would print out the last element of wordList?
A. System. out.println ( wordList.size() );
B. System.out.println ( wordList.size()-1 );
C. System.out.println( wordList[wordList.size() -1] );
D. System.out.println( wordList.get (wordList.size ()) );
E. System.out.println( wordList.get (wordList.size () -1) ) ;
Diagram with Justification
5. Which of the following would print out the length of the first word in wordList?
I. System.out.println ( wordList.get(0).length() );
II. System.out.println ( wordList[0].length () );
II. System.out.println( wordList.get (0).size() );
A. Tonly
B. Il only
C. II only
D. I and III only
E. None of
them
Diagram with Justification](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F32f8e8cc-ebb5-40be-bdab-d283b8a6a88b%2Fdea4bc16-e54d-4bf1-804c-605f89abc665%2Fy0y2ab_processed.jpeg&w=3840&q=75)
Transcribed Image Text:For Questions 4 – 5, suppose that wordList is a non-empty ArrayList<String>.
4. Which of the following lines would print out the last element of wordList?
A. System. out.println ( wordList.size() );
B. System.out.println ( wordList.size()-1 );
C. System.out.println( wordList[wordList.size() -1] );
D. System.out.println( wordList.get (wordList.size ()) );
E. System.out.println( wordList.get (wordList.size () -1) ) ;
Diagram with Justification
5. Which of the following would print out the length of the first word in wordList?
I. System.out.println ( wordList.get(0).length() );
II. System.out.println ( wordList[0].length () );
II. System.out.println( wordList.get (0).size() );
A. Tonly
B. Il only
C. II only
D. I and III only
E. None of
them
Diagram with Justification
Expert Solution
Step 1
Java ArrayList is a dynamic array for storing the elements where there is no size limit and we can add or remove elements anytime.
size() function returns the number of elements present in the list.
get(int index) function returns the element at the given index in the list.
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