charact

Question 1

A class whose instances can hold a single character value and whose methods manipulate and inspect single-character data

Answer 1

Character

Question 2

A class for working with fixed-string data—that is, unchanging data composed of multiple characters

Answer 2

String

Question 3

Classes for storing and manipulating changeable data composed of multiple characters

Answer 3

StringBuilder and StringBuffer

Question 4

is a named object of the String class.

Answer 4

String Variable

Question 5

Strings are ______ (cannot be changed)

Answer 5

immutable

Question 6

a comparison based on the integer Unicode values of character

Answer 6

a lexicographical comparison –

Question 7

• ignores case when determining if two Strings are equivalent.

Answer 7

equalsIgnoreCase()

Question 8

-to compare two Strings, it provides additional information to the user in the form of an integer value

Answer 8

compareTo()

Question 9

• convert any String to its uppercase or lowercase equivalent.

Answer 9

toUpperCase() & toLowerCase()

Question 10

• _____ - is an accessor method that returns the length of a String

Answer 10

length()

Question 11

______- determines whether a specific character occurs within a String.

Answer 11

indexOf()

Question 12

requires an integer argument that indicates the position of the character that the method returns, starting with 0.

Answer 12

charAt()

Question 13

methods each take a String argument and return true or false if a String object does or does not end or start with the specified argument. It is also case sensitive

Answer 13

endsWith() and startsWith()

Question 14

allows you to replace all occurrences of some character within a String. It is also case sensitive.

Answer 14

• replace() -

Question 15

method is defined for other classes to convert their objects to strings. (Not part of String class but a part of Object class). You can also use concatenation to convert any primitive type to a
string using + operator

Answer 15

toString()

Question 16

_______ - is a class or object that is “wrapped around” a simpler element.

Answer 16

Wrapper

Question 17

the method takes a String argument and returns its integer and double value respectively.

Answer 17

parseInt() & parseDouble() method -

Question 18

always adds these characters (argument) at the end of the buffer and builder.

Answer 18

append()

Question 19

adds these characters (argument) at a specified point.

Answer 19

insert() -