Question 1

A ____ is a class for storing and manipulating changeable data that is composed of multiple characters.

Accepted Answer

A)  Character 
B)  String 
C)  StringVariable 
D)  StringBuilder 
A)  Character 
B)  String 
C)  StringVariable 
D)  StringBuilder

Question 2

The terms "literal string" and "string literal" have different meanings in Java programming.

Accepted Answer

A) True 
 B)False

Question 3

Match between columns
                        Premises: Object that can't be changed

Accepted Answer

The Answer of immutable and parseDouble(). and capacity and anonymous is...

Question 4

The String class ____ method evaluates the contents of two String objects to determine if they are equivalent.

Accepted Answer

A)  equals() 
B)  toString() 
C)  charAt() 
D)  replace () 
A)  equals() 
B)  toString() 
C)  charAt() 
D)  replace ()

Question 5

A literal string is called a(n) ____.

Accepted Answer

A)  anonymous object 
B)  String variable 
C)  empty string 
D)  wrapper 
A)  anonymous object 
B)  String variable 
C)  empty string 
D)  wrapper

Question 6

yourCounty = "Clark" 
yourCounty.startsWith("Cla") 
What value will be returned by the startsWith() method? Explain how the startsWith() method deals with case sensitivity.

Accepted Answer

The startsWith() method takes a String a

Question 7

StringBuilder greeting = new StringBuilder("Hello, John"); 
char initial = greeting.charAt(7);​ 
Using the above code and the charAt() method, what value will be assigned to the variable initial ?

Accepted Answer

The charAt() method will retur

Question 8

StringBuilder greeting = new StringBuilder("Welcome home "); 
phrase.insert(13, "Joe"); 
Using the above code and insert() method, describe how the phrase will appear after the code executes. How does the insert() method work?

Accepted Answer

The String will appear as "Welcome home

Question 9

Match between columns
                        Premises: Determines whether a specific character occurs within a String

Accepted Answer

The Answer of buffer and immutable and insert() and parseDouble(). is...

Question 10

The methods of the Character class that begin with ____ return a character that has been converted to the stated format.

Accepted Answer

A)  is 
B)  to 
C)  for 
D)  in 
A)  is 
B)  to 
C)  for 
D)  in

Question 11

Match between columns
                        Premises: Memory block

Accepted Answer

The Answer of immutable and substring(). and insert() and indexOf() is...

Question 12

The ____ method requires an integer argument that indicates the position of the character at that position, starting at 0.

Accepted Answer

A)  charAt() 
B)  setCharAt() 
C)  strAt() 
D)  posChar() 
A)  charAt() 
B)  setCharAt() 
C)  strAt() 
D)  posChar()

Question 13

Why would you use the append() method? Provide an example.

Accepted Answer

The append() method lets you add charact

Question 14

The StringBuffer class is more efficient than the StringBuilder class because it can execute multiple threads during program execution.

Accepted Answer

A) True 
 B)False

Question 15

String greeting = "Welcome back"; 
Using the above statement, write the length() method that will return the length of the greeting String . Store the length in an integer named greetingLength .

Accepted Answer

int greeti

Question 16

If you try to use an index that is greater than 0 or less than the index of the last position in the StringBuilder object, you cause an error known as an exception and your program terminates.

Accepted Answer

A) True 
 B)False

Question 17

Match between columns
                        Premises: Takes a String argument and returns its double value

Accepted Answer

The Answer of concatenation and setLength() and toLowerCase(). and append(). is...

Question 18

Explain what is needed to declare a String variable and provide an example.

Accepted Answer

When you declare a String object, the St

Question 19

String s and other objects that can't be changed are known as ____.

Accepted Answer

A)  string constants 
B)  accessor methods 
C)  immutable 
D)  garbage 
A)  string constants 
B)  accessor methods 
C)  immutable 
D)  garbage

Question 20

The Character class ____ from java.lang.Object .

Accepted Answer

A)  calls 
B)  inherits 
C)  refers 
D)  spawns 
A)  calls 
B)  inherits 
C)  refers 
D)  spawns

A ____ is a class for storing and manipulating changeable data that is composed of multiple characters.

The terms "literal string" and "string literal" have different meanings in Java programming.

The String class ____ method evaluates the contents of two String objects to determine if they are equivalent.

A literal string is called a(n) ____.

yourCounty = "Clark" yourCounty.startsWith("Cla") What value will be returned by the startsWith() method? Explain how the startsWith() method deals with case sensitivity.

StringBuilder greeting = new StringBuilder("Hello, John"); char initial = greeting.charAt(7); Using the above code and the charAt() method, what value will be assigned to the variable initial ?

StringBuilder greeting = new StringBuilder("Welcome home "); phrase.insert(13, "Joe"); Using the above code and insert() method, describe how the phrase will appear after the code executes. How does the insert() method work?

The methods of the Character class that begin with ____ return a character that has been converted to the stated format.

The ____ method requires an integer argument that indicates the position of the character at that position, starting at 0.

Why would you use the append() method? Provide an example.

The StringBuffer class is more efficient than the StringBuilder class because it can execute multiple threads during program execution.

String greeting = "Welcome back"; Using the above statement, write the length() method that will return the length of the greeting String . Store the length in an integer named greetingLength .

If you try to use an index that is greater than 0 or less than the index of the last position in the StringBuilder object, you cause an error known as an exception and your program terminates.

Explain what is needed to declare a String variable and provide an example.

String s and other objects that can't be changed are known as ____.

The Character class ____ from java.lang.Object .

Creating Your First Java Classes

Using Data

Using Methods, Classes and Objects

More Object Concepts

Making Decisions

Looping

Arrays

Advanced Array Concepts

Introduction to Inheritance

Advanced Inheritance Concepts

Exception Handling

File Input and Output

Introduction to Swing Components

Using Javafx and Scene Builder

Filters

Exam 7: Characters, Strings and the Stringbuilder

A ____ is a class for storing and manipulating changeable data that is composed of multiple characters.

The terms "literal string" and "string literal" have different meanings in Java programming.

The String class ____ method evaluates the contents of two String objects to determine if they are equivalent.

A literal string is called a(n) ____.

yourCounty = "Clark" yourCounty.startsWith("Cla") What value will be returned by the startsWith() method? Explain how the startsWith() method deals with case sensitivity.

StringBuilder greeting = new StringBuilder("Hello, John"); char initial = greeting.charAt(7);​ Using the above code and the charAt() method, what value will be assigned to the variable initial ?

StringBuilder greeting = new StringBuilder("Welcome home "); phrase.insert(13, "Joe"); Using the above code and insert() method, describe how the phrase will appear after the code executes. How does the insert() method work?

The methods of the Character class that begin with ____ return a character that has been converted to the stated format.

The ____ method requires an integer argument that indicates the position of the character at that position, starting at 0.

Why would you use the append() method? Provide an example.

The StringBuffer class is more efficient than the StringBuilder class because it can execute multiple threads during program execution.

String greeting = "Welcome back"; Using the above statement, write the length() method that will return the length of the greeting String . Store the length in an integer named greetingLength .

If you try to use an index that is greater than 0 or less than the index of the last position in the StringBuilder object, you cause an error known as an exception and your program terminates.

Explain what is needed to declare a String variable and provide an example.

String s and other objects that can't be changed are known as ____.

The Character class ____ from java.lang.Object .

Creating Your First Java Classes

Using Data

Using Methods, Classes and Objects

More Object Concepts

Making Decisions

Looping

Arrays

Advanced Array Concepts

Introduction to Inheritance

Advanced Inheritance Concepts

Exception Handling

File Input and Output

Introduction to Swing Components

Using Javafx and Scene Builder

Filters

StringBuilder greeting = new StringBuilder("Hello, John"); char initial = greeting.charAt(7); Using the above code and the charAt() method, what value will be assigned to the variable initial ?