Interview Questions - Core Java
21.
Does the order of public and static declaration matter in main() method?
No. It doesn't matter but void should always come before main().
22.
Can a source file contain more than one class declaration?
Yes a single source file can contain any number of Class declarations but only one of the class can be declared as public.
23.
What is a package?
Package is a collection of related classes and interfaces. package declaration should be first statement in a java class.
24.
Which package is imported by default?
java.lang package is imported by default even without a package declaration.
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