Question 1

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

Accepted Answer

The append() method lets you add charact

Question 2

A(n) ____ comparison is based on the integer Unicode values of the characters.

Accepted Answer

A)  integer 
B)  symbol 
C)  lexicographical 
D)  character 
A)  integer 
B)  symbol 
C)  lexicographical 
D)  character

Question 3

When working with Strings, it is necessary to explicitly set a String to null.

Accepted Answer

A) True 
 B)False

Question 4

The method header of the equals() method within the String class is ____.

Accepted Answer

A)  public boolean equals(Strings) 
B)  private boolean equals(String s) 
C)  public boolean equals(String s) 
D)  public boolean equals(Character s) 
A)  public boolean equals(Strings) 
B)  private boolean equals(String s) 
C)  public boolean equals(String s) 
D)  public boolean equals(Character s)

Question 5

The String class ____________________ method is similar to the equals() method. As its name implies, this method ignores case when determining if two Strings are equivalent.

Accepted Answer

The answer of The String class ____________________ method is similar...

Question 6

StringBuilder greeting = new StringBuilder("Welcome");
Create the append() method to add the characters "home" to the end of the StringBuilder object created above.

Accepted Answer

greeting.append(" home");
(Be

Question 7

How is the String class equalsIgnoreCase() method like the equals() method and how would you use it? Give an example.

Accepted Answer

The String class equalsIgnoreCase() meth

Question 8

Match each term with the correct statement below.
-Takes two integer arguments: a start position and an end position

Accepted Answer

A) parseDouble() 
B) toLowerCase() 
C) substring() 
D) String variable 
E) append()
F)buffer
G)setLength()
H)indexOf()
I)insert() 
A) parseDouble() 
B) toLowerCase() 
C) substring() 
D) String variable 
E) append()
F)buffer
G)setLength()
H)indexOf()
I)insert()

Question 9

A(n) ____ is a variable that holds a memory address.

Accepted Answer

A)  reference 
B)  Character 
C)  buffer 
D)  immutable 
A)  reference 
B)  Character 
C)  buffer 
D)  immutable

Question 10

How can you change the length of a String in a StringBuilder object?

Accepted Answer

You can change the length of a string in

Question 11

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

Question 12

The ____ method lets you add characters at a specific location within a StringBuilder object.

Accepted Answer

A)  charAt() 
B)  insert() 
C)  append() 
D)  setCharAt() 
A)  charAt() 
B)  insert() 
C)  append() 
D)  setCharAt()

Question 13

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

Accepted Answer

The answer of The ____________________ method requires an integer argument...

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

A(n) ____ comparison is based on the integer Unicode values of the characters.

When working with Strings, it is necessary to explicitly set a String to null.

The method header of the equals() method within the String class is ____.

The String class ____________________ method is similar to the equals() method. As its name implies, this method ignores case when determining if two Strings are equivalent.

StringBuilder greeting = new StringBuilder("Welcome"); Create the append() method to add the characters "home" to the end of the StringBuilder object created above.

How is the String class equalsIgnoreCase() method like the equals() method and how would you use it? Give an example.

Match each term with the correct statement below. -Takes two integer arguments: a start position and an end position

A(n) ____ is a variable that holds a memory address.

How can you change the length of a String in a StringBuilder object?

The Character class ____ from java.lang.Object.

The ____ method lets you add characters at a specific location within a StringBuilder object.

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

Creating Java Programs

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

Advanced Gui Topics

Graphics

Applets, Images, and Sound

Filters

Exam 7: Characters, Strings, and the Stringbuilder

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

A(n) ____ comparison is based on the integer Unicode values of the characters.

When working with Strings, it is necessary to explicitly set a String to null.

The method header of the equals() method within the String class is ____.

The String class ____________________ method is similar to the equals() method. As its name implies, this method ignores case when determining if two Strings are equivalent.

StringBuilder greeting = new StringBuilder("Welcome"); Create the append() method to add the characters "home" to the end of the StringBuilder object created above.

How is the String class equalsIgnoreCase() method like the equals() method and how would you use it? Give an example.

Match each term with the correct statement below. -Takes two integer arguments: a start position and an end position

A(n) ____ is a variable that holds a memory address.

How can you change the length of a String in a StringBuilder object?

The Character class ____ from java.lang.Object.

The ____ method lets you add characters at a specific location within a StringBuilder object.

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

Creating Java Programs

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

Advanced Gui Topics

Graphics

Applets, Images, and Sound

Filters