<< Chapter < Page Chapter >> Page >

Answer and Explanation

Question 6 .

What output is produced by the program shown in Listing 4 ?

  • A. Compiler Error
  • B. Runtime Error
  • C. true
  • D. false
Listing 4 . Question 6.
public class Ap005{ public static void main(String args[]){new Worker().printBoolean(); }//end main()}//end class definition class Worker{public void printBoolean(){ boolean myVar;System.out.println(myVar); }//end printBoolean()}//end class definition

Answer and Explanation

Question 7 .

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

  • A. Compiler Error
  • B. Runtime Error
  • C. true
  • D. false
Listing 5 . Question 7.
public class Ap006{ public static void main(String args[]){new Worker().printBoolean(); }//end main()}//end class definition class Worker{public void printBoolean(){ boolean myVar = true;myVar = false; System.out.println(myVar);}//end printBoolean() }//end class definition

Answer and Explanation

Question 8 .

The plus (+) character can be used to perform numeric addition in Java. What output is produced by the program shown in Listing 6 ?

  • A. Compiler Error
  • B. Runtime Error
  • C. true
  • D. 2
  • E. 1
Listing 6 . Question 8.
public class Ap007{ public static void main(String args[]){new Worker().printBoolean(); }//end main()}//end class definition class Worker{public void printBoolean(){ boolean myVar = true;System.out.println(1 + myVar); }//end printBoolean()}//end class definition

Answer and Explanation

Question 9 .

The plus (+) character can be used to perform numeric addition in Java. What output is produced by the program shown in Listing 7 ?

  • A. Compiler Error
  • B. Runtime Error
  • C. 6
  • D. 6.0
Listing 7 . Question 9.
public class Ap008{ public static void main(String args[]){new Worker().printMixed(); }//end main()}//end class definition class Worker{public void printMixed(){ double x = 3;int y = 3; System.out.println(x+y);}//end printMixed() }//end class definition

Answer and Explanation

Question 10 .

The slash (/) character can be used to perform numeric division in Java. What output is produced by the program shown in Listing 8 ?

  • A. Compiler Error
  • B. Runtime Error
  • C. 0.33333334
  • D. 0.3333333333333333
Listing 8 . Question 10.
public class Ap009{ public static void main(String args[]){new Worker().printMixed(); }//end main()}//end class definition class Worker{public void printMixed(){ System.out.println(1.0/3);}//end printMixed() }//end class definition

Answer and Explanation

Programming challenge questions

Question 11

Write the program described in Listing 9 .

Listing 9 . Question 11.
/*File Ap0010a1.java Copyright 2012, R.G.Baldwin Instructions to student:This program refuses to compile without errors. Make the necessary corrections to cause the program tocompile and run successfully to produce the output shown below:ITSE 2321**********************************************************/ public class Ap0010a1{public static void main(String args[]){System.out.println("ITSE"); new Worker().doIt();}//end main() }//end class definition//=======================================================// Class Worker{public void doIt(){ System.out.println("2321");}//end doIt() }//end class definition//=======================================================//

Questions & Answers

if three forces F1.f2 .f3 act at a point on a Cartesian plane in the daigram .....so if the question says write down the x and y components ..... I really don't understand
Syamthanda Reply
hey , can you please explain oxidation reaction & redox ?
Boitumelo Reply
hey , can you please explain oxidation reaction and redox ?
Boitumelo
for grade 12 or grade 11?
Sibulele
the value of V1 and V2
Tumelo Reply
advantages of electrons in a circuit
Rethabile Reply
we're do you find electromagnetism past papers
Ntombifuthi
what a normal force
Tholulwazi Reply
it is the force or component of the force that the surface exert on an object incontact with it and which acts perpendicular to the surface
Sihle
what is physics?
Petrus Reply
what is the half reaction of Potassium and chlorine
Anna Reply
how to calculate coefficient of static friction
Lisa Reply
how to calculate static friction
Lisa
How to calculate a current
Tumelo
how to calculate the magnitude of horizontal component of the applied force
Mogano
How to calculate force
Monambi
a structure of a thermocouple used to measure inner temperature
Anna Reply
a fixed gas of a mass is held at standard pressure temperature of 15 degrees Celsius .Calculate the temperature of the gas in Celsius if the pressure is changed to 2×10 to the power 4
Amahle Reply
How is energy being used in bonding?
Raymond Reply
what is acceleration
Syamthanda Reply
a rate of change in velocity of an object whith respect to time
Khuthadzo
how can we find the moment of torque of a circular object
Kidist
Acceleration is a rate of change in velocity.
Justice
t =r×f
Khuthadzo
how to calculate tension by substitution
Precious Reply
hi
Shongi
hi
Leago
use fnet method. how many obects are being calculated ?
Khuthadzo
khuthadzo hii
Hulisani
how to calculate acceleration and tension force
Lungile Reply
you use Fnet equals ma , newtoms second law formula
Masego
please help me with vectors in two dimensions
Mulaudzi Reply
how to calculate normal force
Mulaudzi
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