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31.
Which of the following methods is the best way to store an integer value typed by the user in a variable?
- A.ToString
- B.Convert
- C.ParseInt
- D.TryParse
- Answer & Explanation
- Report
Answer : [D]
Explanation :
Explanation :
32.
The statement object obj = 72 is an example of which of the following?
- A.Explicit conversion
- B.Immutable conversion
- C.Boxing
- D.Unboxing
- Answer & Explanation
- Report
Answer : [C]
Explanation :
Explanation :
33.
If Employee inherits from Person and Manager inherits from Employee, which of the following statements is valid?
- A.Person alice = new Employee();
- B.Employee bob = new Person();
- C.Manager cindy = new Employee();
- D.Manager dan = (Manager)(new Employee());
- Answer & Explanation
- Report
Answer : [A]
Explanation :
Explanation :
34.
Which of the following is not a String method?
- A.IndexOf
- B.StartsWith
- C.StopsWith
- D.Trim
- Answer & Explanation
- Report
Answer : [C]
Explanation :
Explanation :
35.
Which of the following techniques does not create a String containing 10 spaces?
- A.Set a String variable equal to a literal containing 10 spaces.
- B.Use a String constructor passing it an array of 10 space characters.
- C.Use a String constructor passing it the space character and 10 as the number of times it should be repeated.
- D.Use the String class’s Space method passing it 10 as the number of spaces the string should contain.
- Answer & Explanation
- Report
Answer : [D]
Explanation :
Explanation :
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