printAllNumbersAndSumOfpairs

class Functions{
    protected static void printAllNumbersAndSumOfPairs(int[] numbers){
            
            System.out.print("These are the numbers: "); //O(1) 
            
            for(int i=0;i<numbers.length;i++){ //O(n)
                System.out.print(numbers[i]+" "); //O(n)
            }
            System.out.print("\n"); //O(1)
            System.out.println("These are the pairs and there sum: "); //O(1)
            
            for(int m=0;m<numbers.length;m++){ //O(n)
                for(int n=0;n<numbers.length;n++){ //O(n)
                    System.out.println("{ "+numbers[m]+","+numbers[n]+"} Sum: "+(numbers[m]+numbers[n])); //O(n)
                }
            }
        }
}      
// O[1+n+n+1+1+n*(n+n)] : RULE_1 -> THINK ABOUT THE WORST CASE.
// O[3+2n+n*2n] = O[3+2n+2n*n]
// O(n*n+n) : RULE_2 -> REMOVE THE CONSTANTS.
// O(n*n)   : RULE_4 -> REMOVE THE NON_DOMINANT TERMS. FINAL O(n^2).
class Main {
    public static void main(String[] args) {
        
        Functions.printAllNumbersAndSumOfPairs(new int[]{1, 2, 3, 4, 5});
    }
}