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Java Interview Questions on Networking - 0 Questions


Question: 1

A. 10

B. 11

C. 12

D. Compilation Error






Question: 2

A. 11

B. 12

C. 13

D. Compilation Error






Question: 3

A. 10

B. 11

C. 12

D. 13






Question: 4

A. 100

B. 110

C. 121

D. Compilation Error






Question: 5

A. 100

B. 110

C. 121

D. 144






Question: 6

A. 121

B. 132

C. 144

D. 100






Question: 7

A. 121

B. 144

C. 132

D. 100






Question: 8

A. 100

B. 90

C. 81

D. 80






Question: 9

A. 100

B. 90

C. 99

D. 72






Question: 10

A. 138

B. 264

C. 41

D. 25






Question: 11

A. -

B. +

C. *






Question: 12

A. |

B. ^

C. ~

D. <->






Question: 13

A. Left Shift Operator

B. Right Shift Operator

C. Zero Fill Right Shift

D. Zero Fill Left Shift






Question: 14

A. ()

B. ++

C. *

D. >=






Question: 15

A. ()

B. *

C. +

D. ++






Question: 16

A. >=

B. <=

C. !=

D. +=






Question: 17

A. Local variables are declared in methods, constructors, or blocks

B. Local variables are created when the method, constructor or block is entered

C. the variable will be destroyed once it exits the method, constructor, or block

D. We can't create reference variables of Local variables






Question: 18

A. Windows

B. Mac OS

C. UNIX

D. All of these






Question: 19

A. True

B. False






Question: 20

A. True

B. False






Question: 21

A. default

B. public

C. protected

D. All of these






Question: 22

A. True

B. False






Question: 23

A. byte

B. short

C. long

D. class






Question: 24

A. 5

B. 4

C. 1

D. 0






Question: 25

A. 5

B. 4

C. 3

D. 2






Question: 26

A. 5

B. 4

C. 3

D. 2






Question: 27

A. 1

B. 2

C. 3

D. 4






Question: 28

A. 0

B. 1

C. 2

D. 3






Question: 29

A. 0

B. 1

C. 2

D. Infinite times






Question: 30

A. 5

B. 4

C. 3

D. 0






Question: 31

A. 5

B. 4

C. 2

D. 1






Question: 32

A. 5

B. 10

C. 0

D. Compilation Error






Question: 33

A. 5

B. 10

C. 510

D. Compilation Error






Question: 34

A. 5

B. 510

C. 5100

D. Compilation Error






Question: 35

A. 5

B. 510

C. 5100

D. 100






Question: 36

A. 5

B. 10

C. 100

D. 0






Question: 37

A. 10

B. 510

C. 5100

D. 100






Question: 38

A. Compilation Error

B. 10-even-

C. 10-even-0

D. 10-odd






Question: 39

A. Compilation Error

B. 10-even-

C. 10-odd-

D. 10-even-0






Question: 40

A. Compilation Error

B. Length is 5-10

C. Length not in 5-10

D. nothing is printed






Question: 41

A. "cpp''buzz"

B. "cpp''buzz"

C. cpp''buzz

D. "cpp' 'buzz"






Question: 42

A. 10"10"

B. Compilation Error

C. 20

D. 1010






Question: 43

A. 10-10

B. 0

C. 1010

D. Compilation Error






Question: 44

A. 10+10

B. 1010

C. Compilation Error

D. Undefined






Question: 45

A. 0

B. 10"-10"

C. 10-10

D. Compilation Error






Question: 46

A. 30

B. 1020

C. 10+10+10

D. 1010+10






Question: 47

A. Compiler

B. Class Loader

C. Byte Code Verifier

D. Java Virtual Machine






Question: 48

A. Editing -> Compilation -> Class Loader -> Bytecode Verifier -> Execution

B. Editing -> Bytecode Verifier -> Compilation -> Class Loader -> Execution

C. Editing -> Compilation -> Bytecode Verifier -> Class Loader -> Execution

D. None of the above






Question: 49

A. friends

B. friend

C. fr

D. compilation Error






Question: 50

A. True

B. False






Question: 51

A. True

B. False






Question: 52

A. 12345

B. 123

C. 124

D. 135






Question: 53

A. 12345

B. Nothing is printed

C. 1

D. Infinite times






Question: 54

A. 3

B. 2

C. 1

D. 0






Question: 55

A. 12345

B. 135

C. 22222

D. 14385






Question: 56

A. a b c d e

B. abcde

C. 97 98 99 100 101

D. 65 66 67 68 69






Question: 57

A. a b c d e

B. 96 97 98 99 101

C. 65 66 67 68 69

D. None of the above






Question: 58

A. abcde

B. 6566676869

C. Compilation Error

D. Some Garbage Value






Question: 59

A. 0

B. Compilation Error

C. -10

D. Garbage Value






Question: 60

A. -10

B. Undefined

C. Compilation Error

D. 0






Question: 61

A. Garbage Value

B. Code has compilation error

C. null

D. 0






Question: 62

A. Garbage Value

B. 0

C. Undefind

D. Compilation Error






Question: 63

A. 0

B. 10

C. -10

D. Compilation Error






Question: 64

A. 5

B. 10

C. Error: Can't assign a value to final variable a

D. None of the above






Question: 65

A. 0

B. 10

C. Undefind

D. Error: Can't modify final variable a






Question: 66

A. 5

B. 10

C. 0

D. Error: variable a might already have been assigned






Question: 67

A. 1

B. 2

C. Compilation Error

D. Infinite times






Question: 68

A. 0

B. 1

C. Infinite Times

D. Error: Unreachable Statement






Question: 69

A. Infinite times

B. 0 times

C. 1 time

D. error: unreachable statement






Question: 70

A. Infinite times

B. 0

C. 1

D. error: unreachable statement






Question: 71

A. 0

B. 1

C. Infinite Times

D. Compilation Error






Question: 72

A. 00

B. 0-1

C. 0-2

D. -2






Question: 73

A. -2

B. 0-1

C. 0-2

D. error: non-static method can't be called






Question: 74

A. Compilation Error

B. 3

C. 5

D. 6






Question: 75

A. 63321

B. 36

C. 33

D. 12336






Question: 76

A. 32136

B. 33126

C. 12336

D. 63321






Question: 77

A. 123456789

B. 12345678

C. 122

D. None of the above






Question: 78

A. 12

B. 01

C. 11

D. 10






Question: 79

A. Yes

B. No






Question: 80

A. 123

B. 1234

C. 12340

D. Compilation Error






Question: 81

A. 1234.34

B. 1234

C. .1234.00

D. NumberFormatException






Question: 82

A. 1234.00

B. 1234.34

C. 1234

D. Exception






Question: 83

A. Compilation Error

B. Exception

C. 10

D. 1






Question: 84

A. 10.0

B. 10

C. error: loss precision

D. Exception






Question: 85

A. 10.0f

B. 10.0

C. 10

D. error: no suitable method found for toString(float)






Question: 86

A. 10.0f

B. 10.0

C. 10

D. 10.00






Question: 87

A. 10.0f

B. 10.0

C. 10.00

D. 10.0000






Question: 88

A. 10.0000f

B. 10.0000

C. 10.00

D. 10.0






Question: 89

A. 0

B. 10

C. 100

D. Exception






Question: 90

A. 10

B. 10.00

C. 10.87

D. NumberFormatException






Question: 91

A. 10.87

B. 10.00

C. 10

D. error:possible loss of precision






Question: 92

A. 10.87

B. 10.870000

C. 10.8700

D. 10.00






Question: 93

A. SunMoon

B. Sun

C. Moon

D. Compilation Error






Question: 94

A. Moon

B. Sun

C. SunMoon

D. error: int can not be converted to boolean






Question: 95

A. Sun

B. Moon

C. SunMoon

D. Compilation Error






Question: 96

A. Sun

B. Nothing is printed

C. Compilation Error

D. Exception






Question: 97

A. Compilation Error

B. Sun

C. Nothing is printed

D. error: unreachable statement






Question: 98

A. Compilation Error

B. exception: unreachable code

C. Sun

D. SunMoon






Question: 99

A. Sun

B. SunMoon

C. Nothing is printed

D. Compilation Error






Question: 100

A. hi

B. nothing is printed

C. error: sum() has private access

D. Exception






Question: 101

A. hi

B. Compilation Error

C. Nothing is printed

D. Exception






Question: 102

A. hi

B. Compilation Error

C. Exception

D. None of the above






Question: 103

A. hi

B. Compilation Error

C. Exception

D. None of the above






Question: 104

A. hi

B. Compilation Error

C. Exception

D. None of the above






Question: 105

A. hi

B. Compilation Error

C. Exception

D. None of the above






Question: 106

A. error: sum() is private default

B. hi

C. Exception

D. Nothing is printed






Question: 107

A. Code runs but nothing is printed

B. Code runs in infinite loop

C. error: Main method not found

D. Exception






Question: 108

A. 0

B. 2

C. 4

D. 5






Question: 109

A. ASISH

B. asish

C. HSISA

D. HSIS






Question: 110

A. Compilation Error

B. Exception

C. - -

D. --






Question: 111

A. -null-

B. - -

C. --

D. java.lang.NullPointerException






Question: 112

A. Compilation Error

B. Exception

C. --

D. - -






Question: 113

A. 3

B. 5

C. 18

D. 16






Question: 114

A. 77

B. 78

C. 79

D. 710






Question: 115

A. 7

B. 8

C. 9

D. 10






Question: 116

A. 7

B. 8

C. 9

D. 10






Question: 117

A. 555

B. 544

C. 554

D. 543






Question: 118

A. Inheritance increases execution of program

B. Inheritance is useful in code re-usability

C. Inheritance minimizes programming loop holes

D. None of the above






Question: 119

A. extends is a datatype

B. extends is a keyword

C. extends is a class

D. extend is a package






Question: 120

A. 0

B. 10

C. Compilation Error

D. Exception






Question: 121

A. 0

B. 10

C. Compilation Error

D. Exception






Question: 122

A. Automatic Memory Management

B. Speed-up the Execution of Java code

C. to handle runtime exceptions

D. All of these






Question: 123

A. It CAN be accessed from ANYWHERE

B. It CAN ONLY be accessed from ’same package’

C. It can be accessed from the same file

D. It can be access from the same project






Question: 124

A. 1

B. 2

C. 3

D. 4






Question: 125

A. Private members can be accessed within a same package

B. Private members can be accessed within class only

C. Private members can be accessed within sub classes of same package

D. All of the above






Question: 126

A. It is visible to same project

B. It is visible to same package

C. It is visible to same file

D. All of these






Question: 127

A. 1

B. 2

C. 3

D. Max 256






Question: 128

A. 1

B. 2

C. 3

D. 0






Question: 129

A. Cap Cog

B. Cap Cap

C. Cog Cog

D. Cap Cog Cap Cog






Question: 130

A. Cap Cog

B. Cap Cap

C. Cog Cog

D. Cap Cog Cap Cog






Question: 131

A. Yes

B. No






Question: 132

A. 10203040

B. 10203040Hello

C. Hello

D. None of these






Question: 133

A. 10203040

B. 10203040Hello

C. Hello

D. Nothing is printed






Question: 134

A. null

B. Nothing is printed

C. Exception

D. Compilation Error






Question: 135

A. null

B. Nothing is printed

C. Compilation Error

D. ArrayIndexOutOfBoundsException






Question: 136

A. Ash

B. Ashxyz

C. Nothing is printed

D. AshxyzabcImn






Question: 137

A. AT&T Lab65

B. AT&T Lab 65

C. AT&T Lab

D. Compilation Error






Question: 138

A. 6565

B. 65

C. "65"

D. None of the above






Question: 139

A. 65 & Infinite loop

B. 65

C. Nothing is printed

D. Compilation Error






Question: 140

A. 'a'

B. a

C. 65

D. 97






Question: 141

A. 99

B. 67

C. Unpredictable Value

D. NumberFormatException






Question: 142

A. Yes

B. No






Question: 143

A. -100

B. Compilation Error

C. Exception since catch is missing

D. Exception since finally is missing






Question: 144

A. Yes

B. No It is compilation error






Question: 145

A. -100

B. null

C. -100null

D. null-100






Question: 146

A. -100null

B. -100

C. null

D. Compilation Error - unreachable statement at line 8






Question: 147

A. Hello

B. Compilation Error

C. Exception

D. None of these






Question: 148

A. Compilation Error

B. Exception

C. Hi

D. Hello






Question: 149

A. 12345

B. 1234

C. Compilation Error

D. ArrayIndexOutOfBoundsException






Question: 150

A. 20

B. 10

C. Compilation Error

D. None of the above






Question: 151

A. Compilation Error

B. 12345

C. 246810

D. Exception






Question: 152

A. Arrays are passed by Value

B. Arrays are passed by Reference

C. It depends on type of array

D. It depends on Compiler






Question: 153

A. Yes

B. No






Question: 154

A. It is an Keyword

B. Its is a Data type

C. It is a Class

D. None of the above






Question: 155

A. Yes

B. No






Question: 156

A. Yes

B. No






Question: 157

A. It reads first line of cppbuzz.txt file

B. It reads first character of cppbuzz.txt file

C. It reads all the contents of cppbuzz.txt file

D. None of these






Question: 158

A. Compilation Error

B. Exception

C. 1

D. 0






Question: 159

A. Nothing is printed

B. IndexOutOfBoundsException

C. Compilation Error

D. 0






Question: 160

A. Nothing is printed

B. Compilation Error

C. Exception

D. 5






Question: 161

A. Nothing is printed

B. 5

C. 0

D. true






Question: 162

A. -1

B. 0

C. IndexOutOfBoundsException

D. None of the above






Question: 163

A. true

B. -2

C. Compilation Error

D. 0






Question: 164

A. 331

B. 3321

C. 310

D. 321






Question: 165

A. True

B. False






Question: 166

A. 22

B. 12

C. 11

D. 21






Question: 167

A. True

B. False






Question: 168

A. O(1)

B. O(n)

C. O(log(n))

D. None of these






Question: 169

A. O(n)

B. O(1)

C. O(log(n))

D. None of these






Question: 170

A. 1

B. Depends on the calling program

C. Depends on class creating object of Singleton class

D. 256






Question: 171

A. True

B. False






Question: 172

A. True

B. False






Question: 173

A. True

B. False






Question: 174

A. Yes

B. No






Question: 175

A. cppbuzz-11

B. cppbuzz-11.0

C. hello-11

D. hello-11.0






Question: 176

A. HashTable

B. EnumSet

C. Vector

D. ArrayList






Question: 177

A. Autoboxing

B. Morphing

C. Unboxing

D. Typecasting






Question: 178

A. class-A class-A

B. class-B class-B

C. class-B class-A

D. class-A class-B






Question: 179

A. void methodA(){} int methodA(){}

B. void methodA(){} void methodA(int a){}

C. void methodA(){} int methodB(int a){}

D. int methodA(){} int methodAA(i{}






Question: 180

A. True

B. False






Question: 181

A. Singletons

B. Java Beans

C. Transactions

D. None of the above






Question: 182

A. Exception

B. Throwable

C. JavaBase

D. Error






Question: 183

A. Thread

B. Object

C. Runnable

D. Class






Question: 184

A. NullPointerException

B. NumberFormatException

C. ClassCastException

D. ParseException






Question: 185

A. NumberFormatException

B. IllegalArgumentException

C. RuntimeException

D. ParseException






Question: 186

A.

B.

C.

D.






Question: 187

A. Yes

B. No






Question: 188

A. Compilation Error

B. Hello CppBuzz

C. 13

D. Hello CppBuzz13






Question: 189

A. It is not allowed. Compilation Error

B. It is allowed. CppBuzz

C. It is allowed. Compilation Error

D. None of the above






Question: 190

A. abstract is a keyword

B. abstract is a method

C. abstract is a class

D. All of these






Question: 191

A. Heap

B. Stack

C. Cache

D. Register






Question: 192

A. The main thread waits for other threads to finish

B. The main thread is finished first then other threads

C. Other threads will sleep until main is complete

D. All of these





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