string return

 

public static String numbering(int init, int limit){
       
        int i = init;
        String output = "";
        while(i < limit){
            output += i;
            i++;
        }
       
        return output;
    }
   
    public static void main(String[] args){
       
        String result = numbering(1, 5);
        System.out.println(result);
       
    }

 

 

결과 : 1234