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Which of the following messages passed to the String str could throw a NullPoint

ID: 3710141 • Letter: W

Question

Which of the following messages passed to the String str could throw a NullPointerException? A. str.length() B. str.charAt(2); C. str.replace('a', 'A); D. str, equals(str); E. any of the above could throw a NullPointerException Reset Selection Mark for Review What's This? uestion 2 of 10 1.0 Points What type of exception is thrown by the following code segment? String oneWord- null; System.out.println(oneWord); OA. StringlndexOutOfBoundsException B. NullPointerException C. InputMismatchException D. NumberFormatException E. None of the above

Explanation / Answer

Answer for Question-1:

Need what String str actually have stored. I mean more description to answer this question.

Answer for Question-2:

String>

System.out.println(oneWord);

Answer E) None of the above. It prints,infact,null on the screen.

Answer for Question-3:

Answer D) None of the above.

Answer for Question-4:

Answer B)NullPointerException

Answer for Question-5:

Need complete description of the question.

Answer for Question-6:

Need complete description of the question.

Answer for Question-7:

int numOne=10,numTwo=0,sum;

sum=numTwo/numOne;

Answer D) It prints 0 on the console

Answer for Question-8:

String String("Hello");

System.out.println(oneWord.length());

Answer: E)None of the above. Infact,it prints 5 on the console.

Answer for Question-9:

Answer D)None of the above

Answer for Question-10:

Need complete description of the question.

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