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PRG 420 Entire Course

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$3.00

This Tutorial was purchased 6 times & rated B+ by student like you.

Watch the first and second videos for Week 1. Explain a little about the Java Virtual Machine, what it executes, how it might be similar to any other language, and how it is different from a native language, such as C++. ..
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This Tutorial was purchased 2 times & rated No rating by student like you.

Java is a portable language, and being an object-oriented programming language, it also encourages component reusability. How does Java achieve these two important features? How are these features desirable in modern software engineering? ..
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This Tutorial was purchased 1 times & rated No rating by student like you.

You are a bank manager and you are helping a new bank teller understand the kind of accounts the bank offers. If a customer comes in asking to open a new savings account, the teller needs to ask what kind of account--passbook savings or certificate of deposit--the customer would like to open. Rem..
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This Tutorial was purchased 2 times & rated No rating by student like you.

Please watch the first three videos for Week 2 (around 40 minutes). Explain how an outside class may be given access to find the value of a private instance variable, or to change the value of a private instance variable. Why does this add value to your program? ..
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This Tutorial was purchased 3 times & rated B+ by student like you.

What are the three types of errors that you can encounter in a Java™ program? Describe them, and explain how you would minimize the errors. What are some examples of errors that you have seen before? ..
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This Tutorial was purchased 1 times & rated No rating by student like you.

A class is a blueprint for an object. A class may have a default constructor, a constructor with arguments, accessor methods, mutator methods, public fields, and private fields. Choose a category (such as animal, vehicle, and so on) and describe how you would design a class for it. ..
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This Tutorial was purchased 3 times & rated B+ by student like you.

Please watch the first and the fifth (next to the last) videos for Week 3 (feel free to use the transcripts, too!) . Tell me about the similarities between the conditionals in if statements and the conditionals in while statements. ..
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This Tutorial was purchased 1 times & rated No rating by student like you.

Convert the following program from for loop to while loop. class ArithmeticProgression { public static void main (String [] args) { int sum = 0; for (int i = 1; i <= 1000; i++) { sum = sum + i; System.out.println(Integer.toString(sum)); } } } ..
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This Tutorial was purchased 2 times & rated A by student like you.

There are 3 kinds of loops—for loop, while loop, and do while loop. Under which circumstances would each kind of loop be more appropriate? Explain your answers using specific examples. ..
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This Tutorial was purchased 3 times & rated No rating by student like you.

Consider the following conditions: CONDITION 1: while ( !(cChoice == 'Q' || cChoice == 'q') ) CONDITION 2: while ( cChoice != 'Q' || cChoice != 'q' ) Do Conditions 1 and 2 give the same result? What tool or technique would you use to explain the result? ..
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This Tutorial was purchased 2 times & rated No rating by student like you.

Assuming you want an array (named many) of seven ints what would be the easiest way to write the code if you wanted many to contain all zeros? What if you wanted many to contain a selection of seven values, that were not all zeros? What would be the subscripts of all the elements of many? ..
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This Tutorial was purchased 2 times & rated No rating by student like you.

What is the difference between arrays and ArrayList? What are the advantages and disadvantages of an ArrayList, and when should you use an ArrayList over a simple array? ..
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This Tutorial was purchased 2 times & rated No rating by student like you.

What is the difference between string and StringBuilder? What are the advantages and disadvantages of a StringBuilder, and when should you use a StringBuilder over a simple String? ..
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This Tutorial was purchased 3 times & rated No rating by student like you.

Please explain one use for a static variable in a class. Please explain how you might use one static method ( not main() ) in a class. ..
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This Tutorial was purchased 3 times & rated No rating by student like you.

In your opinion, what are the three biggest challenges in planning and designing a solution for a programming problem? What can you do to overcome these challenges? How would you apply these techniques to the programs in this class? ..
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This Tutorial was purchased 5 times & rated B+ by student like you.

Using an example from your work or daily life, describe an "is-a" relationship. Why is an "is-a" relationship important when designing an inheritance between classes? ..
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