why this is not working?

Question

package com.logo;

public class rogo{

int min(int a, int b){
if(a<b){
return a;
}
else if(a>b) {
return b;
}

}
double min(double a, double b){

if(a<b){
return a;
}
else if(a>b) {
return b;
}

}
}

public class main {

public static void main (String[ ] args) {

rogo rog1 = new rogo();
int d = rog1.min(5,6);
System.out.println(d);
}

Answer 1

thanks Anisha Swain but why this isn't working

Answer 2

and pls answer this :(thanks)
can't i make a else if conditioner without making a else conditioner?