Intro To Programming Java

Front 1

Plagiarism involves the use of quotations without quotation marks, the use of quotations without indication of the source, the use of another's idea without acknowledging the source, the submission of a paper, laboratory report, project, or class assignment (any portion of such) prepared by another person, or incorrect paraphrasing, from the Park University 2010-2011 Undergraduate Catalog Page 92-93. Students caught plagiarizing any assignment or portion of assignment will:

Back 1

X- Receive a zero for the current assignment

X- Zero for the previous assignment

X- Could also suffer more severe penalties may also be applied per the Park University catalog

X- Also, in the event plagiarism is detected on a previous assignment the previous assignment grade may be adjusted to reflect the above policy even if the assignment was already awarded a higher grade.

Front 2

Which of the following are rules for Java code?

Back 2

Using the dash for subtraction.

Using the / for division.

Using a ; at the end of the line.

X- All of the above

Front 3

When running a computer Program you should follow a two step process which includes first compiling the program second running the program.

Back 3

TRUE

Front 4

Java programs that are embedded in web pages are called?

Back 4

Applets

Front 5

Algorithms are written with ________?

Back 5

Pseudocode

Front 6

This refers to all the physical components inside a computer?

Back 6

Hardware components

Front 7

This refers to the programs that tell a computer what to do?

Back 7

Software components

Front 8

Computers have many ways of storing data. Which type of storage below is considered Volatile?

Back 8

Main Memory

Front 9

Which type of memory is considered Nonvolatile?

Back 9

Auxiliary Memory

Front 10

Select the correct class heading statement from those below:

Back 10

public class HelloWorld

Front 11

A sequence of characters surrounded by quotes is called a?

Back 11

String

Front 12

Which of the following is NOT a form of an “if” statement?

Back 12

"else,if else"

Front 13

To surround a description of what should be placed at a particular position you would use which of the following?

Back 13

< >

Front 14

Which flowchart symbol below surrounds print, input, and assignment statements?

Back 14

Rectangle

Front 15

Which flowchart symbol below connects the rectangles and diamonds and shows the direction of the logic flow?

Back 15

Arrow

Front 16

Which flowchart symbol below surrounds questions (for if conditions and loop conditions)?

Back 16

Diamond

Front 17

Which statements cause you to jump back to a previously executed statement?

Back 17

Looping

Front 18

Which statements are executed in sequence, one after the other?

Back 18

Sequential

Front 19

Which statements contain one or more choices and only one of the choices is executed?

Back 19

Conditional

Front 20

Select the correct Loop termination techniques discussed in the chapter.

Back 20

Counter

User Query

Sentinel Value

All of the above

Front 21

The name of the Java program’s file must match the name of the Java program’s class (except that the filename has a .java extension added to it).

Back 21

True

Front 22

Since Java is case-sensitive, that means the filename should start with a lowercase first letter.

Back 22

False

Front 23

Select the proper main method heading from the choices below:

Back 23

public static void main(String [] args)

Front 24

Select the proper print statement from the choices below:

Back 24

System.out.println(“Hello World”);

Front 25

Which input method from the Scanner class would get the next token "Ken" up to the white space if the input was: "Ken Dewey"

Back 25

.next();

Front 26

When writing a trace of a declaration statement why would you put a ? in the declared variables column?

Back 26

It indicates that there is a variable but that it doesnt have a value yet

Front 27

Variables that hold decimals should be declared as one of the floating-point data types, which of the following may they be declared as?q

Back 27

Double or float

Front 28

What is the default type for a floating point constant?

Back 28

Double

Front 29

When using the increment operator (++) how many do you increment?

Back 29

1

Front 30

What is the symbol used for the decrement operator?

Back 30

(--)

Front 31

What does the != indicate?

Back 31

Not equal

Front 32

What does the code equalsIgnoreCase indicate?

Back 32

That upper and lower case letters are treated the same.

Front 33

A while loop is what is called a post-test loop.

Back 33

False

Front 34

In a do loop it first executes the loop, then checks the condition.

Back 34

True

Front 35

In a for loop you know the exact number of loop iterations before the loop begins.

Back 35

True

Front 36

In a do loop where is the condition located?

Back 36

Bottom

Front 37

What is a nested loop?

Back 37

A loop within a loop

Front 38

A Boolean variable is a variable that does what?

Back 38

Holds the value true or the value false

Front 39

_______ is when a program checks a user's input to make sure it's valid?

Back 39

Input validation

Front 40

Select the logical operators in order for “and”, “or”, and “not”.

Back 40

&& || !

Front 41

The Math class contains a named constant PI. What is it's approximate value?

Back 41

3.14

Front 42

A ___________ is a class that surrounds a relatively simple item in order to add functionality to the simple item.

Back 42

Wrapper class

Front 43

What does API stand for?

Back 43

Application programming interface

Front 44

Why would there be no need to import the math class to do math calculations?

Back 44

It is included in the java.lang package that is automatically imported

Front 45

What would you use to perform character-related operations?

Back 45

Character wrapper class

Front 46

To check if a given character is a digit you need to use isDigit, what type of return value is this?

Back 46

Boolean

Front 47

What is the output of the following code segment?

String myStr - "Now is the time for all good me to come to the aide of their country!";System.out.println(myStr.lastIndexOf("e ")); // that is an 'e' and a space

Back 47

50

Front 48

What does the conversion character tells the Java Virtual Machine (JVM)?

Back 48

The type of thing needing to be printed

Front 49

Precision is?

Back 49

Both A and B

A. Its syntax consists of a dot and then the number of digits that are to be printed to the right of the decimal point.

B. Applies only to floating-point numbers

Front 50

Width is?

Back 50

Specifies the minimum number of characters that are to be printed

Front 51

The most popular programming technique is called?

Back 51

Object-oriented programming

Front 52

A class is a description for a set of _________?

Back 52

Objects

Front 53

A class's instance methods specify the behavior that an object can exhibit.

Back 53

True

Front 54

A class's instance variables specify the type of data that an object can store.

Back 54

True

Front 55

When you apply an access modifier to a member of a class, what are you determining?

Back 55

How easy it is for the member to be accessed

Front 56

What is the proper format to call a method called “set” that takes a String as the first argument and then 2 integers as arguments 3 and 4?

Back 56

set(“Kenneth”, 45, 32);

Front 57

The object that appears at the left of the dot in a call to an instance method.

Back 57

calling object

Front 58

What could be the calling object in the below line of code?cat.setWeight(2);

Back 58

cat

Front 59

What are the correct Default values below?

Back 59

integer types get 0floating point types get 0.0boolean types get falsereference types get null

Front 60

What method does Java use to pass arguments to methods?

Back 60

pass-by-value

Front 61

What is the purpose of assigning one reference variable to another?

Back 61

So that both reference variables then point to the same object

Front 62

What is the proper command to compare two strings String1 and String2?

Back 62

Either String1.equals(String2) OR String1.equalsIgnoreCase(String2)

Front 63

When passing references as arguments, what happens?

Back 63

A copy of the address of the argument is passed.

Front 64

What statement below uses method-call chaining?

Back 64

car.setMake(“Honda”).setYear(1998).printIt();

Front 65

Which set of statements below utilizes overloading?

Back 65

findAverage(20,8);

findAverage(5, 12, 34);

findAverage(2, 3, 4, 5);

Front 66

What does a constructor do?

Back 66

It allows you to specify what happens to an object when it is instantiated with new.

Front 67

Since the parameter and the argument hold the same address value, they point to the same object.

Back 67

True

Front 68

A constructor lets you specify what happens to an object when it is instantiated with new.

Back 68

True

Front 69

A constructor is NOT called automatically when an object is instantiated.

Back 69

False

Front 70

Any time you instantiate an object (with new), there must be a matching ___________?

Back 70

Constructor