Microsoft Visual C#
7th Edition
ISBN: 9781337102100
Author: Joyce, Farrell.
Publisher: Cengage Learning,
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Chapter 3, Problem 20RQ
Program Plan Intro
To determine the significant difference between console applications and GUI applications.
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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 3 Solutions
Microsoft Visual C#
Ch. 3 - Which of the following is a GUI object that...Ch. 3 - Prob. 2RQCh. 3 - In the IDE, the area where you visually construct...Ch. 3 - Prob. 4RQCh. 3 - The Form class has ____________ properties. a....Ch. 3 - Prob. 6RQCh. 3 - Which of the following is a legal Form Name...Ch. 3 - Which of the following is a legal Form Text...Ch. 3 - Which of the following does not appear in the IDEs...Ch. 3 - After you have dragged a Button onto a Form in the...
Ch. 3 - The button1_Click() method that is generated by...Ch. 3 - A(n) _____________ is generated when a user...Ch. 3 - Prob. 13RQCh. 3 - Prob. 14RQCh. 3 - _____________ are controls through which a user...Ch. 3 - Prob. 16RQCh. 3 - Prob. 17RQCh. 3 - Prob. 18RQCh. 3 - If you inadvertently create a Click() method for a...Ch. 3 - Prob. 20RQCh. 3 - Write a GUI program named InchesToCentimetersGUl...Ch. 3 - Write a GUI program named ProjectedRaisesGUI that...Ch. 3 - Prob. 3ECh. 3 - Write a GUI program named Eggs InteractiveGUl that...Ch. 3 - Write a GUI program named MakeChangeGUl that...Ch. 3 - Write a GUI program named TestsInteractiveGUI that...Ch. 3 - Create an enumeration named Month that holds...Ch. 3 - Pig Latin is a nonsense language. To create a word...Ch. 3 - Each of the following projects in the Chapter.03...Ch. 3 - In Chapter 2, you created a program for the...Ch. 3 - In Chapter 2, you created a program for Marshalls...
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