Which of the following satisfies the wildcard ? extends Object?
I String
II JComponent
III Scanner
A) I
B) II
C) I and II
D) I, II and III

Name: Which of the following satisfies the wildcard ? extends Object? I String II JComponent III Scanner A) I B) II C) I and II D) I, II and III
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Question

Quizplus · Accepted Answer

All listed classes (String, JComponent, and Scanner) extend Object, as all Java classes implicitly extend Object unless they explicitly extend another class.

Which of the Following Satisfies the Wildcard ? Extends Object