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Set variable equal to a method return in Java - Page 2

post #11 of 18
Quote:
Originally Posted by Sin Cities Sin;13860139 
this is very good i plan on learning c++ when i am done with c im trying to do it all at once, Java and C i mean, In C++ just delete scruffy and he is gone. Can you not call the garbage collector on an object in java to remove it like the delete function in C++?

hmmm...I'm not sure if java lets the programmer have access to handling garbage...hence the automatic collection i pointed out earlier...which lets the programmer focus on the broader details of his/her program.

What are you learning in C at the moment?
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post #12 of 18
im in my 3rd year of java but i am self teaching myself c with the book beginning c from novice to professional im sure its an old book but its working for me so far im up to arrays in c chapter 5. I figured before C++ i should start c but school teaches us java so its like going back in time... but c is much more interesting than java in my opinion
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post #13 of 18
Quote:
Originally Posted by Sin Cities Sin View Post
im in my 3rd year of java but i am self teaching myself c with the book beginning c from novice to professional im sure its an old book but its working for me so far im up to arrays in c chapter 5. I figured before C++ i should start c but school teaches us java so its like going back in time... but c is much more interesting than java in my opinion
keep at it...some of the concepts in c++ you should already have down from your java experience...inheritance maybe polymorphism for example. One concept in c++ that gave me some challenges was operator overloading...which is not included in java.
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post #14 of 18
operator overloading? like sending 12 variables to a function that can only take 2?
ie.
sum(1,2,3,4,5,6,7,8,9,10);

int sum(num1,num2){
...
return...
}
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post #15 of 18
Quote:
Originally Posted by Sin Cities Sin View Post
operator overloading? like sending 12 variables to a function that can only take 2?
ie.
sum(1,2,3,4,5,6,7,8,9,10);

int sum(num1,num2){
...
return...
}
no...it occurs when you want to perform an operation or operations on objects. Such as...

Code:
C = A + B;
++A;
()C;
^C;
you can basically use almost any symbol on the keyboard and have the power to do whatever you like to the object(s). BUT, you have to provide many functions to tell the compiler what exactly you want to do. For example, lets say in main you have
Code:
 
//shape is the name of the class
Shape a;
Shape b;
Shape c = a + b;
you have to provide a copy constructor, assignment operator function(=), and a + operator function just for that single line of code on the bottom. You can do whatever you want in the + operator function...you can divide one object from the other...if the objects contain numerical data...you can do nothing in that function...but the sensible thing is to add the two objects together.
Edited by surfbumb - 6/13/11 at 6:39pm
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post #16 of 18
delete
Edited by surfbumb - 6/13/11 at 6:38pm
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post #17 of 18
well it makes sense in theory but not enough for me to say anything about. Lol know any good c++ books for when im done with c?
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post #18 of 18
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