Aggregation and containment in the Programming
Illustrate the basic difference between Aggregation and containment in the Programming?
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Aggregation is a relationship between the whole and a part. We can add or subtract some of the properties in the part (or slave) side. It won’t influence the whole part.
Best illustration is Car that comprises the wheels and some additional parts. Even although the parts are not there we can call it as car.
However, in the case of containment the entire part is influenced when the part in that got influenced. The human body is an apt instance for this relationship. Whenever the whole body dies the parts (heart and so on) are died.
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Case sensitive: The test which is sensitive to whether a character is in upper-case (example, 'A') or lower-case (example, 'a').
Expression: It is a combination of operands and operators which generates a resultant value. Expressions contain a resulting type that affects the context in which they might be employed.
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Define class?
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Keyword: They are reserve word containing special meaning of the language and cannot be employed as identifier.
Do I need to know SGML or HTML before learn XML?
Arithmetic expression: It is an expression comprising numerical values of integer or floating point kinds. For example, operators like +, -, *, / and % get arithmetic expressions as their operands and generate arithmetic values as their outcomes.
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