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Core Java - Interview Questions and Answers for 'Import packages' - 2 question(s) found - Order By Newest

 Q1. Does importing a package imports all its sub packages too ?Core Java2017-01-12 11:02:13

Ans. No, but we can use wild card (*) to do so

For example -

import java.util.*

will import all packages with name starting with java.util

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 Q2. Is it a good practice to use Asterick(*) in import statement to load multiple packages with single import statement ?Core Java2017-01-12 11:04:19

Ans. No, we should be lean in loading only packages which are required. Loading packages which are not being used result in memory overheads.

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   Like         Discuss         Correct / Improve     import  import packages     Asked in 1 Companies


Related Questions

  What are concepts introduced with Java 5 ?
  Can I import same package/class twice? Will the JVM load the package twice at runtime?
  What is "Import" used for ?
  What is a Static import ?
  Do we need to import java.lang package ?
  Which of the following syntax is correct ?
 Does importing a package imports all its sub packages too ?
 Why is it important to close files and streams ?
 Difference between import and include directive in jsp


 Q3. Which of the following wildcard is used to import multiple packages at once ?Core Java
a. .
b. ?
c. *
d. &

Ans.c. *


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