int b,int c){ return a+b+c} public static int sum(int a,int b,int c){ return (a+...
public interface SortNumber { public Integer maxNum(int a,int b);public Integer minNum(int a,int b);} package mymaths;public class TestNumber implements SortNumber{ public Integer maxNum(int a, int b) { // TODO Auto-generated method stub if(a>b){ return a;}else{ return ...