<< Chapter < Page Chapter >> Page >

Answer and Explanation

Question 5

What output is produced by the program shown in Listing 5 ?

Note that 6.283185307179586 is a correct numeric value.

  • A. Compiler Error
  • B. Runtime Error
  • C. 6.283185307179586
  • D. None of the above.
Listing 5 . Listing for Question 5.
public class Ap114{ public static void main(String args[]){System.out.println( new Worker().twoPI);}//end main() }//end class Ap114class Worker{ public static final double twoPI= 2 * Math.PI; }// end class Worker

Answer and Explanation

Question 6

What output is produced by the program shown in Listing 6 ?

Note that 6.283185307179586 is a correct numeric value.

  • A. Compiler Error
  • B. Runtime Error
  • C. 6.283185307179586
  • D. None of the above.
Listing 6 . Listing for Question 6.
public class Ap115{ public static void main(String args[]){System.out.println(Worker.twoPI); }//end main()}//end class Ap115 class Worker{public static final double twoPI = 2 * Math.PI;}// end class Worker

Answer and Explanation

Question 7

What output is produced by the program shown in Listing 7 ?

Note that 6.283185307179586 is a correct numeric value.

  • A. Compiler Error
  • B. Runtime Error
  • C. C. 6.283185307179586
  • D. None of the above.
Listing 7 . Listing for Question 7.
public class Ap116{ public static void main(String args[]){System.out.println(Worker.twoPI); }//end main()}//end class Ap116 class Worker{public static final double twoPI = 2 * myPI;public static final double myPI = Math.PI;}// end class Worker

Answer and Explanation

Question 8

What output is produced by the program shown in Listing 8 ?

  • A. Compiler Error
  • B. Runtime Error
  • C. 0 0.0 false
  • D. null null null
  • E. None of the above.
Listing 8 . Listing for Question 8.
public class Ap117{ public static void main(String args[]){new Worker().display(); }//end main()}//end class Ap117 class Worker{private int myInt; private double myDouble;private boolean myBoolean;public void display(){ System.out.print(myInt);System.out.print(" " + myDouble); System.out.println(" " + myBoolean); }//end display()}// end class Worker

Answer and Explanation

Question 9

What output is produced by the program shown in Listing 9 ?

  • A. Compiler Error
  • B. Runtime Error
  • C. 0 false 5 true
  • D. None of the above.
Listing 9 . Listing for Question 9.
public class Ap118{ public static void main(String args[]){new Worker().display(); new Worker(5,true).display();System.out.println(); }//end main()}//end class Ap118 class Worker{private int myInt; private boolean myBoolean;public Worker(int x, boolean y){ myInt = x;myBoolean = y; }//end parameterized constructorpublic void display(){System.out.print(myInt); System.out.print(" " + myBoolean + " "); }//end display()}// end class Worker

Answer and Explanation

Question 10

What output is produced by the program shown in Listing 10 ?

  • A. Compiler Error
  • B. Runtime Error
  • C. 20 222.0 false --- 5 222.0 true
  • D. None of the above.
Listing 10 . Listing for Question 10.
public class Ap119{ public static void main(String args[]){new Worker().display(); System.out.print("--- ");new Worker(5,true).display(); System.out.println();}//end main() }//end class Ap119class Worker{ private int myInt = 100;private double myDouble = 222.0; private boolean myBoolean;public Worker(){myInt = 20; }//end noarg constructorpublic Worker(int x, boolean y){myInt = x; myBoolean = y;}//end parameterized constructorpublic void display(){ System.out.print(myInt + " ");System.out.print(myDouble + " "); System.out.print(myBoolean + " ");}//end display()}// end class Worker

Questions & Answers

how do you get the 2/50
Abba Reply
number of sport play by 50 student construct discrete data
Aminu Reply
width of the frangebany leaves on how to write a introduction
Theresa Reply
Solve the mean of variance
Veronica Reply
Step 1: Find the mean. To find the mean, add up all the scores, then divide them by the number of scores. ... Step 2: Find each score's deviation from the mean. ... Step 3: Square each deviation from the mean. ... Step 4: Find the sum of squares. ... Step 5: Divide the sum of squares by n – 1 or N.
kenneth
what is error
Yakuba Reply
Is mistake done to something
Vutshila
Hy
anas
hy
What is the life teble
anas
hy
Jibrin
statistics is the analyzing of data
Tajudeen Reply
what is statics?
Zelalem Reply
how do you calculate mean
Gloria Reply
diveving the sum if all values
Shaynaynay
let A1,A2 and A3 events be independent,show that (A1)^c, (A2)^c and (A3)^c are independent?
Fisaye Reply
what is statistics
Akhisani Reply
data collected all over the world
Shaynaynay
construct a less than and more than table
Imad Reply
The sample of 16 students is taken. The average age in the sample was 22 years with astandard deviation of 6 years. Construct a 95% confidence interval for the age of the population.
Aschalew Reply
Bhartdarshan' is an internet-based travel agency wherein customer can see videos of the cities they plant to visit. The number of hits daily is a normally distributed random variable with a mean of 10,000 and a standard deviation of 2,400 a. what is the probability of getting more than 12,000 hits? b. what is the probability of getting fewer than 9,000 hits?
Akshay Reply
Bhartdarshan'is an internet-based travel agency wherein customer can see videos of the cities they plan to visit. The number of hits daily is a normally distributed random variable with a mean of 10,000 and a standard deviation of 2,400. a. What is the probability of getting more than 12,000 hits
Akshay
1
Bright
Sorry i want to learn more about this question
Bright
Someone help
Bright
a= 0.20233 b=0.3384
Sufiyan
a
Shaynaynay
How do I interpret level of significance?
Mohd Reply
It depends on your business problem or in Machine Learning you could use ROC- AUC cruve to decide the threshold value
Shivam
how skewness and kurtosis are used in statistics
Owen Reply
yes what is it
Taneeya
Got questions? Join the online conversation and get instant answers!
Jobilize.com Reply

Get Jobilize Job Search Mobile App in your pocket Now!

Get it on Google Play Download on the App Store Now




Source:  OpenStax, Object-oriented programming (oop) with java. OpenStax CNX. Jun 29, 2016 Download for free at https://legacy.cnx.org/content/col11441/1.201
Google Play and the Google Play logo are trademarks of Google Inc.

Notification Switch

Would you like to follow the 'Object-oriented programming (oop) with java' conversation and receive update notifications?

Ask