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Question 9

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

  • A. Compiler Error
  • B. Runtime Error
  • C. Tom
  • D. None of the above.
Listing 10 . Listing for Question 9.
public class Ap159{ public static void main(String args[]){new Worker().doIt(); }//end main()}//end class Ap159 class Worker{void doIt(){ char[]ref = null; System.out.print(ref);System.out.print(" "); ref[0]= 'T'; ref[1]= 'o'; ref[2]= 'm'; System.out.println(ref);}//end doIt() }// end class Worker

Answer and Explanation

Question 10

What output is produced by the program shown in Listing 11 ?

  • A. Compiler Error
  • B. Runtime Error
  • C. Joe Tom
  • D. None of the above.
Listing 11 . Listing for Question 10.
public class Ap160{ public static void main(String args[]){new Worker().doIt(); }//end main()}//end class Ap160 class Worker{void doIt(){ char[]ref = {'J','o','e'}; System.out.print(ref);System.out.print(" "); ref[0]= 'T'; ref[1]= 'o'; ref[2]= 'm'; System.out.println(ref);}//end doIt() }// end class Worker

Answer and Explanation

Listings

I recommend that you open another copy of this document in a separate browser window and use the following links to easilyfind and view the listings while you are reading about them.

Miscellaneous

This section contains a variety of miscellaneous information.

Housekeeping material
  • Module name: Ap0140: Self-assessment, Type conversion, casting, common exceptions, public class files, javadoc commentsand directives, and null references
  • File: Ap0140.htm
  • Originally published: 2004
  • Published at cnx.org: 12/18/12
  • Revised: 12/03/14
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Affiliation : I am a professor of Computer Information Technology at Austin Community College in Austin, TX.

Answers

Answer 10

C. Joe Tom

Questions & Answers

what is a market demand schedule
Blessed Reply
What is demand curve
mohamed Reply
Types of demand curve
mohamed
demand curve is a showing the aggregate of demand whether falling from right to the left in the table above
BULAMA
demand curve is the graphical representation of various quantities of a commodity bought at various prices
Blessed
What is the formula for calculating elasticity
Hafsat Reply
what is demand
Anefor Reply
demand is the quantity of commodity that consumers wil be able and wiling to buy at a given price at a given time
Delly
what is international trade?
Friday Reply
it is the exchange of goods and services across international borders.
Tweneboah
what is taxation
Eunice Reply
the definition of economic by Adam Smith
Geon Reply
Adam Smith define economic as the science of wealth
Hafsat
What is enconomics
mohamed
what is meant by pisp in economics?
Amara Reply
payment initiation service provider
Khuselo
what is demand
Joy Reply
demand
Demand refers to the consumers' desire to purchase goods at given prices. Demand can mean either demand for a specific good or aggregate demand for the total of all goods in an economy.
What is economc
Joseph Reply
What is economc
nahurira
What is Economic
Vicky Reply
What's the price index of consumption?
Pun Reply
what population
Hackman Reply
I think it's the sum total of people in a goegraphical area at a given time
Ruth
it refers to the number of people living in a particular area over a given period of time
Vanessa
decribe law of demand
Lovely Reply
the higher the price , the higher the quantity demanded
Ruth
what is economic growth
Metuge Reply
what is an economic system
Metuge
Economic system is the mechanism which deals with the production, distribution and consumption of good and services in a particular society
Happy
of course
Maesela
what is a weight
Maesela
What is a weight
mohamed
how did you get the value of 2000N.What calculations are needed to arrive at it
Smarajit Reply
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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
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