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cpp:editing_the_value_of_variables [2014/02/19 21:00] jazpen created |
cpp:editing_the_value_of_variables [2024/02/16 00:48] (current) |
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To edit the value of a variable, you use the mathematical operators +, -, /, and *. | To edit the value of a variable, you use the mathematical operators +, -, /, and *. | ||
+ | Let's create the variable jimmy and set it to nine : | ||
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+ | ''int jimmy = 9;'' | ||
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+ | If we want jimmy to to set to 10 we can do the following: | ||
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+ | ''jimmy = jimmy + 1;'' | ||
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+ | Remember this syntax: [the varaible that you want to change] = [the number or existing varaible] ; | ||
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+ | So ''jimmy'' is the variable you want to change (to ten) and ''jimmy + 1'' is the value that exists. Merely typing ''jimmy + 1'' does not set the value of jimmy to 10 because to change the value of something, you must have the equal sign. It is used the same way in C++ as in mathematicals. | ||
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+ | Because typing ''variable = variable + //x//'' is repetitive and annoying, the creator (all hail Bjarne Stroustrup) made | ||
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+ | <fc #FF0000>Editing in Progress</fc> |