Greatest of three numbers using switch case

java bluej

10,591

Solution 1

It's kinda stupid, but here you go.

switch(1)
{
    default:
        return Math.max(a, Math.max(b, c));
}

Solution 2

Not sure why you want to write the world's most complex snippet of code to find the max of three integers. This one is more readable, yet still complex enough to keep you amused...

public int main( int a, int b, int c)
{
    return Collections.max( Arrays.asList( new Integer[]{a,b,c} ));
}

10,591

Author by

YogeshAgar

Updated on July 10, 2022

Comments

YogeshAgar almost 2 years
I want to find out the greatest number, out of three given numbers, using switch-case(without using if) I answered the question using this program, which works:
```
class GreatestNoSwitch{
    public int main(int a, int b, int c){
        int d = (int)Math.floor(a/b);
        int max = 0;
        switch(d){
            case 0:
                max = b;
                break;
            default:
                max = a;
        }

        d = (int)Math.floor(max/c);

        switch(d){
            case 0:
                max = c;
        }
        return max;
    }
}
```
Does anyone have any simpler answer?
- Emil Vikström almost 12 years
  
  What is your question? Is your code working?
- marc wellman almost 12 years
  
  StackOverflow is Question & Answering site. Post a question and we'll try to find an answer or at least help you finding an asnwer.
- Marko Topolnik almost 12 years
  
  Without constraning what functions are allowed, this question doesn't make much sense.
Chris Gessler almost 12 years

@MarkoTopolnik - better?
Marko Topolnik almost 12 years

Why would it be better? You are still using variables in case clauses.
Chris Gessler almost 12 years

@MarkoTopolnik - only constants... I see. This is a stupid puzzle anyway, and my answer is equally stupid. So they fit!
Marko Topolnik almost 12 years

A perfect fit indeed! That's exactly what I meant when I said that without constraints on allowed functions, the puzzle is stupid.
YogeshAgar almost 12 years

I now feel hat this was a stupid puzzle... Thanks
Chris Gessler almost 12 years

@YogeshAgar - only in its current state, but could be the start of a great puzzle if you could figure out the limitations to make people think. I'm not sure that adding a rule like "without using a default case" would be solvable, but give it a shot.