public class TableUtilities {
    public static String getSmallMultiplicationTable() {
        String multTable = "";
        int sum;
        
        for (int j = 1; j <= 5; j++){
            for (int i = 1; i <= 5; i++){
                
                multTable += String.format("%3d |", i*j);
                
            }
        
            multTable += "\n";
        }
        System.out.print(multTable);
        return multTable;
    }

    public static String getLargeMultiplicationTable() {
        String multTable = "";
        
        for (int j = 1; j <= 10; j++){
            for (int i = 1; i <= 10; i++){
                
                multTable += String.format("%3d |", i*j);
                
            }
        
            multTable += "\n";
        }
        System.out.print(multTable);
        return multTable;
    }

    public static String getMultiplicationTable(int tableSize) {
        String multTable = "";
        
        for (int j = 1; j <= tableSize; j++){
            for (int i = 1; i <= tableSize; i++){
                
                multTable += String.format("%3d |", i*j);
                
            }
        
            multTable += "\n";
        }
        System.out.print(multTable);
        return multTable;
    }
}