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Question

What is wrong in the following code? (Note that the compareTo method for the Integer and Double classes was introduced in Section 10.7.) public class Test { public static void main(String[] args) { Number x = new Integer(3); System.out.println(x.intValue()); } }

Solution

Verified
Answered 2 years ago
Answered 2 years ago

On line 5, the method compareTo(Integer) is undefined for the type Number.

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