Q01
Which of the following sealed class declarations compile? (Choose two.)
Select all that apply.
A. sealed class Shape permits Circle {} final class Circle extends Shape {}
B. sealed class Shape permits Circle {} class Circle extends Shape {}
C. public sealed class Shape permits Circle, Square {} final class Circle extends Shape {} non-sealed class Square extends Shape {}
D. public sealed class Shape {} final class Circle extends Shape {}
Ans : A, C
Q02
Which of the following local variable declarations using var are invalid? (Choose three.)
Select all that apply
A. var x = 10;
B. var y;
C. var z = null;
D. var a = {1, 2, 3};
E. var b = new int[]{1, 2, 3};
F. var c = (d = 5);
Ans : B, C, D
Q03
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Q04
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Q05
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Q06
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Q07
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Q08
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