Which of these packages contains abstract keyword?Optionsjava.utiljava.langjava.iojava.system
Question
Which of these packages contains abstract keyword?Optionsjava.utiljava.langjava.iojava.system
Solution
The package that contains the abstract keyword is java.lang. The abstract keyword is a non-access modifier, used for creating abstract classes and methods. It can't be used with the packages java.util, java.io, or java.system because these packages don't exist or are not standard in Java.
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