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Definition
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Definition
| Framework Class Libraries |
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| Integrated Development Environment |
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| Rapid Application Development |
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| What is a class template? |
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Definition
| Lets you define a class in generic terms. You can use it to create specific classes for specific types. |
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| What is a valarray class? |
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Definition
| targeted to deal with numeric values ( or with classes with similar properties), so it supports operations such as summing the contents and finding the largest and smallest values in an array. defined as a template class. |
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double gpa[5] = {3.1, 3.5, 3.8, 2.9, 3.3};
valarray v1;
valarray v3(10,8)
valarray v4(gpa,4)
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Definition
// an array of int, size 0
// an array of 8 int elements
// an array of 8 int elements each set to 10 |
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| use class members that are themselves objects of another class |
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Definition
containment
composition
layering |
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Definition
| Containment, private inheritance, and protected inheritance |
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Term
what is another way of saying:
*this; |
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Definition
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| what is the draw back for using typedef? |
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Definition
Have to edit the header file each time you change the type.
you can't have typedef represent two different types simulaneously |
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Term
| What do templates provide, and what does it mean? |
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Definition
| Parameterized types
capable of passing a type name as an argument to a recipe for building a class of function |
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Term
| template
what is another term you could use instead of class? |
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Definition
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| how do you change the class qualifier to make it templated |
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Definition
example:
template
Stack::Stack() {} |
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| What does the export keyword let you do? |
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Definition
| place the template method definitions in a seperate file, provided that you preface each template declaration with export
export template // preface
class Stack { ... } |
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| What are type parameters? |
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Definition
| act something like variables, but instead of assigning a numeric value, you assign a type to it |
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| how do you write out to a file? |
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Definition
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| How do you read in a file? |
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Definition
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| How do you associate an object to a particular file? |
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Definition
ofstream fout;
fout.open("jar.txt");
-or-
ofstream fout("jar.txt"); |
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| what is the fstream a child class of? |
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Definition
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| What does the ofstream allocate space for? |
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Definition
| an output buffer for each ofstream object |
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| How does an object of ofstream collect data? |
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Definition
| byte-by-byte, transfers contents to destination file via buffer |
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| How do you read in a character from a file? |
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Definition
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| How do you read in a word from a file? |
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Definition
char buf[80];
fin >> buf; |
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| How do you read in a line from a file? |
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Definition
char buf[80];
fin.getline(buf, 80); |
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| How do you read in a file to a string object? |
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Definition
string line;
getline(fin, line); |
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| How do you explicitly close a connection with a file? |
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Definition
fout.close(); // close output connction
fin.close(); // close input connection
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Term
| what are three ways to check to see if the attempt to only a file failed? |
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Definition
if(fin.fail())
if(!fin)
if(!fin.is_open()) |
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