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Visit YouTube Channel: ICSE JAVA CLASS 10 COMPLETE REFERENCE PRE-BOARD EXAMINATION Grade: X SUBJECT: Computer Applications Date : 08 -02-2018 Maximum Marks: 100 Duration: 2 hour Answer 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 be spent in reading this 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. You are to answer 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) Answer all the questions [10x4=40] Question 1: (a) Give the visibility of following access specifiers. i. private ii. protected [2] (b) State the Object Oriented concept that is implemented through i. Function Overloading ii. A super class and sub class [2] (c) What is a package? Give two widely used packages. [2] (d) Mention two attributes to declare the following: i. variable ii. class [2] (e) What is the significance of final variable? Give an example. [2] Question 2: (a) Briefly explain type casting with an example. [2] (b) State a difference between instance methods and static methods. [2]
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