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JAVA Practice Test 4

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characters Questions and Answers PDF Download: Quiz 4

MCQ 16: Pi = 3.14 ; is

A) integer
B) constant
C) floating number
D) short number

MCQ 17: X = X * 3; will

A) create new variable and set value
B) change the value of X
C) calculate power of x by 3
D) give an error

MCQ 18: When java source code is compiled, a file named after the class is

A) .class extension
B) .java extension
C) .javac extension
D) no extension

MCQ 19: Identifiers are used for

A) naming the method only
B) class , methods , variable names
C) identifying type
D) identifying return type

MCQ 20: There are three types of comments in JAVA ; single line , multiple line and

A) documentation comment
B) package comment
C) library comment
D) method comment

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Data Structure App (Android & iOS)

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General Knowledge App (Android & iOS)