CODEWITHSUNDEEP
javaintegerreturn
Alpha
Alpha

Reputation: 73

How to Return two integer

In this simple program i cant return 2 integer values , can you help me ? How can i do ? 

public class Aritmetica 
{

public static int div(int x , int y)

  { 

    int q = 0 ;
    int r = x ; 
    while ( r >= y ) 
    {
      r = r - y ;  
      q = q + 1 ;  

    }
    return r && q; **// Here i want to return x and y**
 }

public static void main(String[ ] args)
 {

 if ( ( x <=0 ) & ( y > 0 ) )

  throw new IllegalArgumentException ( " X & Y must be >0  " ) ;

  int res4= div(x,y);

  System.out.println( " q and r : "+ res4) ; **// and here i want to display q and r** 

}

}

Upvotes: 0

Views: 575

Answers (4)

Mujtaba Hasan
Mujtaba Hasan

Reputation: 112

Assume q and r are less than p(can be any integer greater than q and r)

Now Do it like this

return result=q*p+r

Now, in main when you want to print the result

print q=result/p
r=result-p*q

Upvotes: 0

Amy
Amy

Reputation: 301

Instead of returning two integers at once, you can write separate methods for each operation. For example:

public static int div1(int x , int y) { 

// i replaced r with x for readibility
   while ( x >= y ) {
       x = x - y ;  
   }
   return x; // this is your variable r
}

public static int div2(int x, int y) {
    int q = 0;
    int r = x;
    while ( r >= y ) {
        r = r - y ;  // r is required here because it is your update statement in while loop
        q = q + 1 ;  
    }
    return q;
}

In your main method, all you have to is call each method (div1 and div2 to get variables r and q, respectively). You can then print them with a statement like:

System.out.println( " q and r : "+ div2(x,y) + " and " + div1(x,y)) ;

I hope this is simple enough to understand. Good luck!

Upvotes: 0

aioobe
aioobe

Reputation: 421100

Create a result type: DivisionResult, as follows:

class DivisionResult {
    public final int quotient;
    public final int remaineder;
    public DivisionResult(int quotient, int remainder) {
        this.quotient = quotient;
        this.remainder = remainder;
    }
}

and do

    ...
    return new DivisionResult(q, r);
}

And to print the result:

  DivisionResult res4= div(x,y);

  System.out.println("q and r: " + res4.quotient + ", " + res4.remainder);

Upvotes: 5

Vikas Verma
Vikas Verma

Reputation: 3716

Use array of integers to return more than one integers.

Like : 

public int[] method() {  
    int[] a = {1,2,3,4,5};  
    return a;   
}

Upvotes: 0

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