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ICSE Prelims 2016 : (Julien Day School (JDS), Hooghly, Howrah)

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Ashok Bairagi
Calcutta University (CU), Kolkata
B.Sc Biology
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Answers to this Paper must be written on the paper provided separately. You will not be allowed to write during the first 15 minutes. This time is to spent in reading the question paper. The time given at the head of this Paper is the time allowed for writing the answers. This Paper is divided into two Sections. Attempt all questions from Section A and any four questions from Section B. The intended marks for questions or parts of questions are given in brackets [ ] SECTION A ( 40 Marks ) Attempt all questions Question 1 a) Write an equivalent java expression :- area = (s(s a)(s b)(s c) Question 2 Question 3 (a) What does the following statement mean? Car Honda = new Car(); (b) Arrange the following primitives data type in ascending order of is memory size. int, double, char, Boolean (c) Define (i) Class (ii) Polymorphism (d) Mention any four OOPs principles. Question 4 [2] [2] [2] [2] [2] (a) (b) (c) (d) What are reserve words? Mention two reserve words used to create iterations. What are objects? Why class is called as Object factory. What the difference between coercion and type casting. Differentiate between binary operator and ternary operators. [2] [2] [2] [2] Question 5 (a) Rewrite the following using a ternary operator If(a > b) x = a ; else if( b > a ) x = b ; else x = c ; [2] (b) (c) (d) What is the difference between if else and switch-case? What is entry control-loop? Write a program segment to show the use of entry control loop. What is the speciality of JVM? SECTION B ( 60 Marks ) [2] [2] [2]

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