lc-core/src/main/java/lc/HelperFunctions.java

package lc;

import java.awt.*;

public class HelperFunctions {

    public static void setRenderingHints(Graphics2D g2d){
        g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
                RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
        g2d.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS,
                RenderingHints.VALUE_FRACTIONALMETRICS_ON);
    }

    public static String randomString(int n){
        String characters = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz23456789$#%@&?";
        StringBuilder stringBuilder = new StringBuilder();
        for(int i=0; i<n; i++){
            int index = (int)(characters.length() * Math.random());
            stringBuilder.append(characters.charAt(index));
        }
        return stringBuilder.toString();
    }

    public static int randomNumber(int min,int max){
        return (int)(Math.random() * ((max - min) +1)) + min;
    }
}