Thread: template tutorials

i have an assigment and i know nothing about templates and what are they used for?do you know any tutorial

Why don't you read the tutorials on THIS site.

They are used if you want a function or class to work with different types of classes.

for example if you want to write a function minimum, that you will use for int's , floats, and your own classes such as Height you would have to write one function for each datatype.

or if you use a template you only need one function

template < class T >
T minimum( T x, T y) {
return (x < y ? x : y);
}

so pretty much the name for the type ( in this case T ) is filled in with the type you are calling it with

so you can call

int result = minimum( 5, 4);
or somthing like
Height one = new Height(5.5);
Height two = new Height(3.3);
Height minHeight = minimum(one,two);


in other words, now the function will work for any type which the < sign is defined.