CST-8110 Lecture Notes - Lecture 1: Hard Disk Drive, Distributed Computing, Central Processing Unit

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ceriserat915

28 Jun 2018

School

Algonquin College

Department

Computer Information Systems

Course

CST-8110

Professor

Howard

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Attempt 3

Written: May 29, 2018 9:54 PM - May 29, 2018 10:02 PM

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Question 1 1 / 1 point

Where does Java start executing a program once it is compiled.

at import statement(s)

Correct Response

at method public static void main (String args[])

at first line of .java file

none of above

Question 2 1 / 1 point

Which of the following will cause a compiler error in Java. Select all that apply.

a) Missing ; at end of a statement

b) Spelling main as mian

c) Omitting */ at end of block comment

d) Inserting space between System.out.print and (

e) no } at end of main function

a, b, e

Correct Response

a, b, c, e

all of above

Question 3 0.71 / 1 point

Put these parts of a Java program in order.

Correct Response __3__ {

Correct Response __5__ System.out.print ("hello world!");

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Incorrect Response __6__ (7) } // end of class

Correct Response __2__ public class MyProgram

Incorrect Response __7__ (6) } // end of main

Correct Response __4__ public static void main (String argv[]) {

Correct Response __1__ import java.lang.*;

Question 4 1 / 1 point

How many classes should be included in each .java file?

Correct Response

As many as you'd like.

Question 5 1 / 1 point

How many classes can you include in one project?

Correct Response

As many as you'd like.

Question 6 1 / 1 point

What must there be one and only one of in each Java project?

class

Correct Response

function main

.java file

.class file

Question 7 1 / 1 point

All variables must be given a type when they are declared.

Correct Response

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Document Summary

Written: may 29, 2018 9:54 pm - may 29, 2018 10:02 pm. Where does java start executing a program once it is compiled. at import statement(s) Correct response at method public static void main (string args[]) at first line of . java file none of above. Which of the following will cause a compiler error in java. Select all that apply: missing ; at end of a statement, spelling main as mian, omitting */ at end of block comment, inserting space between system. out. print and , no } at end of main function a, b, e. Correct response a, b, c, e all of above. Put these parts of a java program in order. __4__ public static void main (string argv[]) { What must there be one and only one of in each java project? class. All variables must be given a type when they are declared. Java considers the variables declared as number and number to be identical: true.

Related Questions

5. Consider the following class: import java.util.Scanner; public class Money private int dollars; private int cents; public Money (int d, int c) { dollars = d; cents = c; /* Point 1 */ public String toString() { String result; if (cents > 100) int totalCents = dollars * 100 + cents; dollars = totalCents / 100; cents = total Cents % 100; /* Point 2 */ /* Point 3 */ result = "$" + dollars + ", " + cents + "C"; return result; public static void main(String[] yourGrandfather) Scanner keyboard - new Scanner (System.in); Money amount; int C; /* Point 4 */ System.out.print("Enter an amount in cents: "); C = keyboard.nextInt (); amount = new Money (c/ 100, CX 100); System.out.println("You have: " + amount.toString()); The above program compiles and runs without error. Which variables are in scope at each of the points marked by comments in the above class? In other words, if each of these comments were replaced by an actual Java statement, which variables could be used in this statement without a prefix (that is, without having to write the name of a class or other variable in front of the variable name) and without the compiler reporting an unknown variable error? List each variable that is in scope at each of the points marked by comments in the above class, and indicate whether it is an instance variable, a formal parameter, or a local variable. Note that you will be penalized for every variable that is out of scope at a given point but that you list as being in scope at that point.

CST-8110 Lecture Notes - Lecture 1: Hard Disk Drive, Distributed Computing, Central Processing Unit

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