public static void main (String[] args){
    Grid e = new Grid(15,15);
    e.setVisible(true);
    int j = 1;
    for (int i=0; i<15; i=i+2){
        for(int g = 0; g<15; g++){
    e.setSquareText(g, i, j);
        }
    j++;
    }
---------------------
import unit4.gridLib.*;
import java.util.Random;
public class NewClass {
public static void main (String[] args){
    Grid e = new Grid(5,20);
    e.setVisible(true);
    Random r = new Random();

    for (int i=0; i<20; i++){
        int sum = 0;
        for(int g = 0; g<5; g++){
             int j = r.nextInt(100);
    if(g==4)
        e.setSquareText(g, i, sum);
    else
        e.setSquareText(g, i, j);
        sum+=j;
        }
    }
}
}
--------------------------------
public static void main (String[] args){
    Grid e = new Grid(5,20);
    e.setVisible(true);
    Random r = new Random();
    int min = 500;
   int k = 0;
    for (int i=0; i<20; i++){
         int sum = 0;
        for(int g = 0; g<5; g++){
             int j = r.nextInt(100);
             sum+=j;
        e.setSquareText(g, i, j);

        if (g==4){
            if(i==0){
                min=sum;
            }
            if (sum<min){
                min=sum;
                k=i;
            }
        }
}

    }
     System.out.println(k);
}
}


 public static void main(String[] args) {
           Grid e = new Grid(10,20);
           e.setVisible(true);
           for (int i = 0; i<20; i++){
               e.setSquareColor(0, i, Color.red);
               Grid.delay(100);
               if(i!=19)
               e.clear();
           }