//1.
class frq1{

    public static int 2darraySum(int[][] array){
        int sum = 0;
        for(int row = 0; row < array.length; row++){
            for(int column = 0; column < array[row].length; column++){
                sum += array[row][column];
            }
        }
        return sum;
    }

    public static int arraySum(int[] array){
        int sum = 0;
        for(int i = 0; i < array.length; i++){
            sum += array[i];
        }
        return sum;
    }

    public static void isDiverse(){
        
    }

    public static void main(String args[]){
        int[] jesus2 = {1,2,3};
        int[][] jesus = {{1,2,3},{3,3,4},{4,4,4}};
        System.out.println(arraySum(jesus2));
    }
}
frq1.main(null);
|       public static int 2darraySum(int[][] array){
<identifier> expected

|       public static int 2darraySum(int[][] array){
invalid method declaration; return type required