Multiple Choice Question

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Submitted by c-admin on Tue, 05/28/2019 - 00:48

QID:

104

Type:

Multiple Choice Question

Category:

Java Programmer I

Tags:

Methods and Constructors

Question:

Which of the following are valid at line 1?

public class X{
//line 1: insert code here.
}

Select 2 options

A. String s;
B. String s = 'asdf';
C. String s = 'a';
D. String s = this.toString();
E. String s = asdf;

Answer and Explanation (Click to expand)

Answer:

A, D

Explanation:

Since every class directly or indirectly extends Object class and since Object class has a toString() method, that toString() method will be invoked and the String that it returns will be assigned to s.

Q&A Set:

Set 7

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