• Source 
    1. /* package whatever; // don't place package name! */
    2.  
    3. import java.util.*;
    4. import java.lang.*;
    5. import java.io.*;
    6.  
    7. /* Name of the class has to be "Main" only if the class is public. */
    8. class Ideone
    9. {
    10. 	public static void main (String[] args) throws java.lang.Exception
    11. 	{
    12. 		int kills = 1;
    13. 		int deaths = 2;
    14.  
    15. 		double kdr = 0;
    16.  
    17. 		if(kills > 0 && deaths == 0){
    18. 			kdr = kills;
    19. 		}else if(kills > 0 && deaths > 0){
    20. 			kdr = kills/deaths;
    21. 		}
    22.  
    23. 		System.out.println(kdr);
    24. 	}
    25. }