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6. Which of the following is an equivalent expression of a = a + 4?
a. a++++ b. a += 4
c. a =+ 4 d. a + 4
7. What will be the result of the following code?
int a =10, b = 3, c = 0;
c = b % a;
a. 10 b. 0.3
c. 0 d. 3
8. What will be the output of the following code?
int a = 1, b = 2, c = 3, d;
d=a++ / ++b * c;
System.out.print(d);
a. 0 b. 1
c. 2 d. 3
9. What will be the output of the following code?
double a = 1, b = 2, c = 3, d;
d=a++ / ++b * c;
System.out.print(d);
a. 0.0 b. 1.0
c. 2.0 d. 3.0
10. What will be the output of the following code?
int a = 10, b = 30 , c = 15;
System.out.println((a + b) < c ? (a + b):(a - b));
a. 10 b. 40
c. -20 d. 20
11. Which of these is a valid Java expression for the following Math expression?
ut+1/2ft 2
a. ut + 1.0 / 2.0ft*t b. u * t + 1 / 2 * f * t * t
c. (u * t) + (1.0 / 2.0 * f * t * t) d. None of these
12. If a = 1 and b = 0, then what will return the following expression?
(a > b) && (a < b)
a. true b. false
c. Both a and b d. None of these
13. Which of the following operator is used to create the object of a class?
a. dot(.) b. new
c. == d. Unary
14. Which of the following operators will return true if both the expressions are true?
a. || b. &&
c. ++ d. --
15. Which of the following is not a form of operator in Java?
a. Binary b. Unary
c. Ternary d. None of these
Answers
1. c 2. b 3. a 4. c 5. a 6. b 7. d 8. a
9. b 10. c 11. c 12. b 13. b 14. b 15. d
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Operators in Java 71

