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ICSE 2008 solved : Computer Applications

31 pages, 9 questions, 1 questions with responses, 1 total responses,

Manasa Preethi
Sikkim manipal university, Bangalore
Master of Science Information Technology

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ICSE 2008 Q1. (a) Mention any two attributes required for class declaration. [2 marks] A1. (a) public and abstract Q1. (b) State the difference between token and identifier. [2 marks] A1. (b) A token is the smallest element of a program that is meaningful to the compiler. A token is the basic building block which is put together to construct a program. A token can be: i) A reserved word or keyword e.g. while ii) An identifier e.g. sum (variable name) iii) A separator or a delimiter e.g. , { ( etc. iv) An operator e.g. + v) A literal e.g. 25 vi) Comments are also treated as tokens to be ignored An identifier is a name given to a variable, class, etc. e.g. in int sum = 0; the variable sum is an identifier. Q1. (c) Explain instance variable. Give an example. [2 marks] A1. (c) An instance variable is a data member of a class. Each object of a class has its own value of the instance variables of that class. For example, consider the class Car as defined below: class Car

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