Computing Essentials 2019 (soft-cover)
27th Edition
ISBN: 9781260210149
Author: Timothy J O'Leary Professor; Linda I. O'Leary; Daniel O'Leary
Publisher: McGraw-Hill Education
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Chapter 8, Problem 1MC
Program Plan Intro
By finding the correct answer.
The concept related to using
- Connectivity
- GPS
- TCP/IP
- Wi-Fi
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Question 2 (10 Points): String vs. StringBuilder
Create a Question2.java file and finish the following tasks:
Task 1.
a) Create a 1D array of integers to store 50 integers.
b) Store values from 0 to 49 in the array you just created.
c) Create a new String Object using no-arg constructor.
d) Using for loop to add the array elements one by one to the String (one per loop iteration)
Hint: to append an element to a String, use the + operator.
e) Output the String on the console. Record and display a run-time it took to append all
integers to the String (record run-time of 1.d.)). Please submit a screenshot. The
screenshot should match the following example:
012345678910111213141516171819202122232425262728293031323334353637383940414243444546474849
it took 196708 nanoseconds to append 50 integers to the String.|
Hint: You can use the following statements to record run-time.
long begin, end, time; // we will measure time it took
begin = System.nanoTime(); //we measure in nanoseconds.
// put…
Answer this Java OOP question below:
Discuss the challenges and benefits of using multiple levels of inheritance in a class hierarchy. How can deep inheritance structures impact the maintainability and readability of code?
Answer the Java OOP question below:
Explain the relationship between a superclass and a subclass. How do the principles of encapsulation and abstraction play a role in this relationship? In your experience, how do you decide what should be included in a superclass versus a subclass? Share an example where a well-defined superclass-subclass hierarchy improved your code.
Chapter 8 Solutions
Computing Essentials 2019 (soft-cover)
Ch. 8 - Prob. 1CCCh. 8 - Prob. 2CCCh. 8 - Prob. 3CCCh. 8 - Prob. 4CCCh. 8 - Prob. 5CCCh. 8 - Prob. 6CCCh. 8 - Prob. 7CCCh. 8 - Prob. 8CCCh. 8 - Prob. 9CCCh. 8 - Prob. 10CC
Ch. 8 - Prob. 11CCCh. 8 - Prob. 12CCCh. 8 - Prob. 13CCCh. 8 - Prob. 14CCCh. 8 - Prob. 15CCCh. 8 - Prob. 16CCCh. 8 - Prob. 17CCCh. 8 - Prob. 18CCCh. 8 - Prob. 19CCCh. 8 - Prob. 20CCCh. 8 - Prob. 21CCCh. 8 - Prob. 22CCCh. 8 - Prob. 23CCCh. 8 - Prob. 24CCCh. 8 - Prob. 25CCCh. 8 - Prob. 26CCCh. 8 - Prob. 1MCCh. 8 - Prob. 2MCCh. 8 - Prob. 3MCCh. 8 - Prob. 4MCCh. 8 - Prob. 5MCCh. 8 - Prob. 6MCCh. 8 - Prob. 7MCCh. 8 - Prob. 8MCCh. 8 - Prob. 9MCCh. 8 - Prob. 10MCCh. 8 - Prob. 1MCh. 8 - Prob. 1OECh. 8 - Prob. 2OECh. 8 - Prob. 3OECh. 8 - Prob. 4OECh. 8 - Prob. 5OECh. 8 - Prob. 6OECh. 8 - Prob. 7OECh. 8 - Prob. 8OECh. 8 - Prob. 1DCh. 8 - Prob. 2DCh. 8 - Prob. 3DCh. 8 - Prob. 4D
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