Finals Exam

Question 1

_____ are widely use in java programming

Answer 1

Strings

Question 2

a ____ of characters

Answer 2

sequence

Question 3

Strings are ____

Answer 3

Objects

Question 4

The Java platform provides the String class to create and ____ strings

Answer 4

Manipulate

Question 5

The string class is not a ___

Answer 5

Primitive Data Type

Question 6

First Character starts at index

Answer 6

Zero (0)

Question 7

The length starts at ___

Answer 7

one

Question 8

Using the new keyword and ____ to create a string object

Answer 8

String constructor

Question 9

The string literals in java are series of characters that will appear in output exactly as you _____

Answer 9

Entered

Question 10

String literal are _____

Answer 10

Constant

Question 11

Whenever the JVM encounters a string literal in a program it creates a string object with its ____

Answer 11

value

Question 12

The string literals with the same contents share the ____

Answer 12

same memory location

Question 13

while the constructed strings using the new keyword stored in _____

Answer 13

different memory location

Question 14

The string method, equals() is used to _______ the content of two strings

Answer 14

compare

Question 15

The _______ is used to compare the reference of two objects.

Answer 15

Relational Operator

Question 16

The string class is ____ once it created its content cannot be change

Answer 16

immutable

Question 17

Returns the character of string based on the ______

Answer 17

specific index

charAt()

Question 18

Compares a string to another string.
The method returns 0 if the string is equal to other string

Answer 18

compareTo(string)

Question 19

returns a new string concatenated with the value of the _____

Answer 19

parameter

Question 20

returns true if this string and the specified string are equal

Answer 20

equals(string)

Question 21

Considering the uppercase and lowercase to be the same

Answer 21

equalsIgnoreCase(string)

Question 22

returns the first _____ of the specific string

Answer 22

indexOf(string)

Question 23

returns the index of the last ______ of the specified string

Answer 23

lastIndexOf(string)

Question 24

returns the length of the string

Answer 24

length()

Question 25

same character as this string but with any uppercase letter converted to lowercase. the content of the string object is _____

Answer 25

unchange toLowerCase()

Question 26

But any lowercase letter converted into uppercase. the content of the string object is _____

Answer 26

Unchanged toUpperCase();

Question 27

But with each occurrence of specified old_char ____ by new_char

Answer 27

replace(old_char , new_char) Replaced

Question 28

Returns a new string having the same characters as the _____ begins at specified start index through to the end of the string

Answer 28

substring substring (start_index)

Question 29

returns a new string having the same chatacters as this string. but with leading and trailing whitespace removed

Answer 29

trim()

Question 30

in java how many string method are

Answer 30

14

Question 31

An ____ It is a collection of a fixed number of a variables

Answer 31

Array

Question 32

It is a collection of a fixed number of a variables called ______ or components. wherein all the elements are of the ____ data type

Answer 32

1. elements 2. same

Question 33

Creating, Initializing, and ____ an array One-Dimensional Array

Answer 33

Accessing

Question 34

It declares the element type of the array it determines the data type of each element that comprises the array

Answer 34

type

Question 35

you must ____ one using new and assign it to int array

Answer 35

Allocate

Question 36

when an array is declared, only a ____ of an array is created

Answer 36

reference

Question 37

____ determines the number of elements in the array

Answer 37

size

Question 38

it is the name of the array variable that is linked to the array

Answer 38

var-name

Question 39

zero for numeric types, false for boolean, and null for

Answer 39

reference type

Question 40

in java, all arrays are ___ allocated

Answer 40

dynamically

Question 41

each element in the array is accessed via its

Answer 41

index

Question 42

in java two dimensional array, data stores in row and ___

Answer 42

columns

Question 43

we can access the record using both the row index and column index like an ____

Answer 43

excel file

Question 44

it decides the type of elements it will accept

Answer 44

data_type

Question 45

this is the name to give it to this java two dimensional array

Answer 45

array_name

Question 46

a three dimensional can be defined as an

Answer 46

array of two-dimensional arrays

Question 47

three dimensional have total of

Answer 47

24 elements

Question 48

printing and accessing array elements in a three dimensional array is ___ to the two dimensional arrays

Answer 48

similar

Question 49

the above program displays a ___ of a three dimensional

Answer 49

tubular presentation

Question 50

The array to be search

Answer 50

a

Question 51

the value to be search

Answer 51

key

Question 52

the ____ is defined as the point at which the key would be inserted into the array

Answer 52

insertion point

Question 53

if the input list is not sorted the result is

Answer 53

undefined

Question 54

Returns true only if both arrays are ____

Answer 54

equal

Question 55

What is Unicode of the 0

Answer 55

48

Question 56

What is the unicode of capital letter A

Answer 56

65

Question 57

what is the unicode of the small letter a

Answer 57

97

Question 58

Array class makes it easier to perform ____ on an array

Answer 58

common operators