COP 2258 EXAM 1 Questions with complete solution 2024

COP 2258 exam 1
What is computer programming? - correct answer ✔The process of
specifying the data types and the operations for a computer to apply to data in
order to solve a problem.


Programming Life Cycle Phases - correct answer ✔1.Problem Solving
2.Implementation
3.Maintenance


Class Vs. Object - correct answer ✔Class: a description of the
representation of a specific kind of object, in terms of data and behavior.
Object: an instance of a class.


What is a byte code? - correct answer ✔


What is an algorithm? - correct answer ✔instructions for solving a problem in
a finite amount of time using a finite amount of data.


A __________ is a text parser that can get numbers, words, or phrases from
an input source such as a keyboard.


Scanner
Method
Print
System.out - correct answer ✔Scanner

,Which of the following statements will allow you to print the name Mary Smith
to the screen?


Input("Mary Smith");
Scanner name.next("Mary Smith");
System.out.print("Mary Smith");
System.in("Mary Smith"); - correct answer ✔System.out.print("Mary Smith");


The code below outputs Jane Williams on different lines and then starts a new
output line.


Code Example:


System.out.println("Jane");


System.out.print("Williams");




Output:


Jane


Williams


T or F - correct answer ✔False

, What will the following code output?


Code:


int feet = 5;


int inches = 3;


System.out.print("Mary you are " + feet + " feet " + inches + " inches tall.");


Mary you are 5 feet 3 inches tall.
Mary you are feet inches tall.
Mary you are feet feet inches inches tall.
"Mary you are " + 5 + " feet " + 3 + " inches tall."
"Mary you are " + feet + " feet " + inches + " inches tall." - correct answer
✔Mary you are 5 feet 3 inches tall.


Which of the following is are incorrect ways to include multi-line comments in
your code?


/*Declare all variables/*
*/Declare all variables*/
*/Declare all variables/*
/*Declare all variables*/ - correct answer ✔/*Declare all variables/*
*/Declare all variables*/
*/Declare all variables/*