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JAVA Practice Test 4

characters Multiple Choice Questions (MCQs) PDF Download | 4

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The MCQ: Pi = 3.14 is "characters" App (Free Android & iOS) with answers: constant, integer, short number, and floating number for programming certifications. Study data types, variable and arrays questions and answers, Apple e-Book to download free sample for java certification.

characters MCQ Quiz with Answers PDF Download: Test 4

MCQ: 16

Pi = 3.14 ; is

  1. integer
  2. constant
  3. floating number
  4. short number
MCQ: 17

X = X * 3; will

  1. create new variable and set value
  2. change the value of X
  3. calculate power of x by 3
  4. give an error
MCQ: 18

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

  1. .class extension
  2. .java extension
  3. .javac extension
  4. no extension
MCQ: 19

Identifiers are used for

  1. naming the method only
  2. class , methods , variable names
  3. identifying type
  4. identifying return type
MCQ: 20

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

  1. documentation comment
  2. package comment
  3. library comment
  4. method comment

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