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If then else statements and case statements essentially perform the same function when would you use one over the other?
Wiki User
∙ 14y ago
I would recommend an If - then - else statement over a switch statement because:
1. It is simpler/easier
2. You do not get unexpected output because of missing break statements
A missed break statement in one of the conditions in a switch case statement means that all the conditions that come after the success condition are executed. In case of if else this is not the case and hence it is much safer for novice programmers.
> essentially perform the same function
No, they don't. Here is an example to prove this:
if (sin (alpha) > cos (alpha)) {
...
} else if (alpha / M_PI * 180 > 180) {
...
} else {
...
}
Wiki User
∙ 14y ago
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What is function in oop?
A function is a block of code that has a name and it has a property that it is reusable i.e. it can be executed from as many different points in a C Program as required.Function groups a number of program statements into a unit and gives it a name. This unit can be invoked from other parts of a program. A computer program cannot handle all the tasks by it self. Instead its requests other program like entities - called functions in C - to get its tasks done. A function is a self contained block of statements that perform a coherent task of same kindThe name of the function is unique in a C Program and is Global. It neams that a function can be accessed from any location with in a C Program. We pass information to the function called arguments specified when the function is called. And the function either returns some value to the point it was called from or returns nothing.We can divide a long C program into small blocks which can perform a certain task. A function is a self contained block of statements that perform a coherent task of same kind.Structure of a FunctionThere are two main parts of the function. The function header and the function body.int sum(int x, int y){int ans = 0; //holds the answer that will be returnedans = x + y; //calculate the sumreturn ans //return the answer}
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What is function in oop?
A function is a block of code that has a name and it has a property that it is reusable i.e. it can be executed from as many different points in a C Program as required.Function groups a number of program statements into a unit and gives it a name. This unit can be invoked from other parts of a program. A computer program cannot handle all the tasks by it self. Instead its requests other program like entities - called functions in C - to get its tasks done. A function is a self contained block of statements that perform a coherent task of same kindThe name of the function is unique in a C Program and is Global. It neams that a function can be accessed from any location with in a C Program. We pass information to the function called arguments specified when the function is called. And the function either returns some value to the point it was called from or returns nothing.We can divide a long C program into small blocks which can perform a certain task. A function is a self contained block of statements that perform a coherent task of same kind.Structure of a FunctionThere are two main parts of the function. The function header and the function body.int sum(int x, int y){int ans = 0; //holds the answer that will be returnedans = x + y; //calculate the sumreturn ans //return the answer}
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