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Answer 19

Question 20

Show the proper syntax for declaring a variable of type double and initializing its value to 5.5.

Answer 20

Question 21

Show the proper syntax for declaring a variable of type Double and initializing its value to 5.5.

Answer 21

Question 22

Show the proper syntax for extracting the value from a variable of type Double .

Answer 22

Question 23

True or false? In Java, the name of a reference variable evaluates to the address of the location in memory where the variable is stored.

Answer 23

Question 24

What is a legal identifier in Java?

Answer 24

Question 25

What are the rules for variable names in Java?

Answer 25

Question 26

What is meant by the scope of a Java variable?

Answer 26

Question 27

What are the four possible scope categories for a Java variable?

Answer 27

Question 28

What is a member variable?

Answer 28

Question 29

Where are local variables declared in Java?

Answer 29

Question 30

What is the scope of a local variable in Java?

Answer 30

Question 31

What defines a block of code in Java?

Answer 31

Question 32

What is the scope of a variable that is declared within a block of code that is defined within a method and which is a subset of the statements that make upthe method?

Answer 32

Question 33

What is the scope of a variable declared within the initialization clause of a for statement in Java? Provide an example code fragment.

Answer 33

Question 34

What are method parameters and what are they used for?

Answer 34

Question 35

What is the scope of a method parameter ?

Answer 35

Question 36

What are exception handler parameters ?

Answer 36

Question 37

Write a Java application that illustrates member variables (class and instance) , local variables, and method parameters.

Answer 37

Question 38

True or false? Member variables in a Java class can be initialized when the class is defined.

Answer 38

Question 39

How are method parameters initialized in Java?

Answer 39

Listings

What is the meaning of the following two images?

This image was inserted here simply to insert some space between the questions and the answers to keep them from being visible on the screen at thesame time.

The image is also an example of the kinds of things that we do in my course titled ITSE 2321, Object-Oriented Programming.

Missing image

This image was also inserted for the purpose of inserting space between the questions and the answers.

Missing image

Answers

Answer 39

Method parameters are initialized by the values passed to the method.

Back to Question 39

Answer 38

True.

Back to Question 38

Answer 37

See the application named member1 in this module for an example of such an application.

Back to Question 37

Answer 36

Exception handler parameters are arguments to exception handlers, which will be discussed in a future module.

Back to Question 36

Answer 35

The scope of a method parameter is the entire method for which it is a parameter.

Back to Question 35

Answer 34

Method parameters are the formal arguments of a method. Method parameters are used to pass values into and out of methods.

Back to Question 34

Answer 33

Java treats the scope of a variable declared within the initialization clause of a for statement to be limited to the total extent of the for statement. A sample code fragment follows where cnt is the variable being discussed:

Questions & Answers

What is diseconomic
Alixe Reply
how can price determination be the central problem of micro economics
simon Reply
marginal cost formula
Nandu Reply
you should differentiate the total cost function in order to get marginal cost function then you can get marginal cost from it
boniphace
What about total cost
Foday
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Foday
how can price determination be the central problem if micro economics
simon
formula of cross elasticity of demand
Theresia Reply
what is ceteris paribus
Priyanka Reply
what is ceteris parabus
Priyanka
Ceteris paribus - Literally, "other things being equal"; usually used in economics to indicate that all variables except the ones specified are assumed not to change.
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it's a summary of opportunity cost depicted on a curve.
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igwe Reply
disaster management cycle
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cooperate social responsibility
igwe
Fedric Wilson Taylor also define management as the act of knowing what to do and seeing that it is done in the best and cheapest way
OLANIYI
difference between microeconomics and macroeconomic
Ugyen Reply
microeconomics is the study of individual units, firm and government while macroeconomics is the study of the economic aggregates.
okhiria
The classical theory of full employment
Lovely
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Adzaho Reply
the situation that prevails when economic forces balance so that economic variables neither increase nor decrease
Bombey
what is equilibrium
Kabir
what are the important of economic to accounting students with references
salihu Reply
Economics is important because it helps people understand how a variety of factors work with and against each other to control how resources such as labor and capital get used, and how inflation, supply, demand, interest rates and other factors determine how much you pay for goods and services.
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abdul
contribution of Adam smith in economics
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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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