CR-MicroLabs-Loops-NumbersTrianglesTables/TableUtilities.java

 

public class TableUtilities {
    public static String getSmallMultiplicationTable() {
        StringBuilder anw = new StringBuilder();
        int tableSize = 5;
        
        String pattern = "%4d";
        for (int i=1;i<=5;i++){
            for (int j=1;j<=5;j++){
            
            anw.append(String.format(pattern,i*j));
            }
            anw.append("\n");
        }
        
        return anw.toString();
    }

    public static String getLargeMultiplicationTable() {
        StringBuilder anw = new StringBuilder();
        int tableSize = 10;
        String pattern = "%4d";
        for (int i=1;i<=10;i++){
            for (int j=1;j<=10;j++){
            
                anw.append(String.format(pattern,i*j));
               
            }
            anw.append("\n");
           
        }
        
        return anw.toString();
    }

    public static String getMultiplicationTable(int tableSize) {
        StringBuilder anw = new StringBuilder();
        String pattern = "%4d";
        for (int i=1;i<=tableSize;i++){
            for (int j=2;j<=tableSize;i++){
                anw.append(String.format(pattern,i*j));
            }
            anw.append("\n");
            
        }
        return anw.toString();
    }
}