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Answer 8

Question 9

True or False: The program code shown in Listing 3 will compile and execute successfully to produce an output similar to that shownin Figure 2 .

Listing 3 - Question 9.
/*File Q09.java ************************************************/import java.util.*; public class Q09{ArrayList var1 = new ArrayList();void runIt(){var1.add(new Date()); var1.add("abcd");System.out.println( ((Date)var1.get(1)).getTime());System.out.println( ((String)var1.get(1)).length());}//end runIt public static void main(String[]args){ new Q09().runIt();}//end main}//end class Q09 //=============================================//
Figure 2 - Question 9.
1378056276557 4

Answer 9

Question 10

The code shown in Listing 4 will not compile and run successfully. Without using a cast operator, what changes can you make to theclass named Q10 to cause the program to compile and run successfully and to produce the current time in milliseconds?

Listing 4 - Question 10.
/*File Q10.java ************************************************/import java.util.*; public class Q10{ArrayList var1 = new ArrayList();void runIt(){ var1.add(new Date());//Note the required cast in the following // statement.System.out.println( (var1.get(0)).getTime());}//runIt public static void main(String[]args){ new Q10().runIt();}//end main}//end class Q10 //=============================================//

Answer 10

Question 11

True or False: Using Java v1.7, even with the empty angle brackets shown in the instantiation of the ArrayList object in Listing 5 , the program in Listing 5 will compile and run successfully with no notes, warnings, errors, or othercomplaints from the compiler. The program will produce an output similar to that shown in Figure 3 .

Listing 5 - Question 11.
/*File Q11.java ************************************************/import java.util.*; public class Q11{ArrayList<Date>var1 = new ArrayList<>(); void runIt(){var1.add(new Date()); //Note the required cast in the following// statement. System.out.println((var1.get(0)).getTime()); }//runItpublic static void main(String[] args){new Q11().runIt(); }//end main}//end class Q11//=============================================//
Figure 3 - Question 11.
1378059224125

Answer 11

Question 12

True or False: The program shown in Listing 6 will compile and run successfully producing an output similar to that shown in Figure 4 .

Listing 6 - Question 12.
/*File Q12.java ************************************************/import java.util.*; public class Q12{ArrayList<Date>var1 = new ArrayList<Date>();void runIt(){ var1.add("abcd");System.out.println(var1.get(0).getTime()); }//end runItpublic static void main(String[] args){new Q12().runIt(); }//end main}//end class Q12 //=============================================//
Figure 4 - Question 12.
1378060513651

Answer 12

Question 13

True or False: The code shown in Listing 7 will compile and run successfully and produce the output shown in Figure 5 .

Questions & Answers

how did Mc connel defined economics
Isaac Reply
what is a economy planning?
Jacob Reply
what is demand
Sunday Reply
demand means desire for a commodity backed by willingness & ability to pay for that commodity
Rajesh
what is supply
Akoheni
supply means suppliers supplying more commodities when price's high or less when price's low to satisfy human want
Prince
the coefficient of price elasticity of supply is the measure of percentage change in the quantity supplied of a good due to a given percentage change in its price.
Khushiba
Please what is Economics of Scales?
Prince
what is cardinal and ordinal utility?
Khushiba
Cardinal utility is the satisfaction derived by the consumers from the consumption of goods and services while ordinal is ranked in terms of preference.
Grace
👍
Khushiba
Please explain what is meant by Economic Integration?
Prince
Please I need help!!!!
Prince
economics scales I don't know but I know laws of returns to scale
Khushiba
hello
TIMAH
hello
Khushiba
can someone help explain to me what is fairly inelastic dd
TIMAH
Economics Economics - The study of how people use their limited resources to try to satisfy unlimited wants
Abdullah
Economic integration has been one of the main economic developments affecting international trade in the last years. Countries have wanted to engage in economic cooperation to use their respective resources more effectively and to provide large markets for member-countries of the resulting integrate
Abdullah
Inelastic Demand When consumers are relatively unresponsive to price changes. A PED coefficient of less than one means that a particular change in the price of a good will be met by a proportionally smaller change in the quantity demanded.
Abdullah
what is development planning?
Emmanuel Reply
What is economics?
Shubham Reply
economics is study of scarcity and how humans make decisions.
sade
reason for development planning in West Africa
Emmanuel
what is development planning?
Emmanuel
What is homo Economicus?
nongo Reply
when a person is part 50% rational and the other part of him is 50% focused on money as an incentive
Yahir
what makes the economy to be stable
BELDON Reply
what measures are necessary to the economy which is not doing fine
BELDON
must find out the problems originating from and take remedy for it.
Rigved
Economics as a social science Discuss
Sire
list and explain three implication of balance of payment disequilibrium
Jayson Reply
In economics pollution, what's spillover?
Chinedum Reply
what is net national income
Ibrahim Reply
relation between business economics and traditional economics
Netra Reply
more explanation on GDP
Isaac Reply
it is a country total out put of goods and services divided by the total population of the country.I think it can also be derived from the country labour force,,because it mostly depend on the labour force and the level of technology .
Tantoh
labour force and technological progress leads to greater production increases the GDP
Ahmed
what is elasticity of demand
Jessica
degree of responsiveness of demand to changes in price and other factors that influence demand.
OBIAJULUM
It is the degree of responsiveness of demand and supply to a little change in price of a goods and services
Ibrahim
What is economics?
Bubu Reply
by this time
Emmanuel
It is a social science that analyses production,distribution and consumption of goods and services
Emmanuel
A social science that study human behavior in relationship with decision making
Jessica
a social science that studies human behavior as a relationship between ends and scarce means which has alternative uses
Charllote
it is a science that study human begin as a relation to ends and scarce should which have alternative uses
Ibrahim
the science in which we study about the investement of our wealth.
Atteq
what is competitive demand
joe
a competitive demand is also known as substitute demand .the moment the price of the commodity increase consumers will purchase the other other commodity which it's price is low and the vice versa. an example is milo and bournvita
Yussif
what is different between equilibrium and demand?
Moses
equilibrium is a situation where market is stable there is no entry nor exit. demand is the willingness to pay Which is backed by law.
Yussif
list and explain three implication of balance of payment disequilibrium?
Jayson
Economics is a social science that study's human behaviour as a relationship between ends and scares means which have alternative uses
Patrick
What are the typical patterns of GDP for a high-income economy like the United States in the long run and the short run?
mwangala Reply
What are the limitation and significant of macroeconomic
Usman 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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