How to add or insert ' (single quotes) for every string in a list in which strings are separated by commas using Java

Question

I have a list as below

[url1,url2,url3,url4] 

This list will be based on multiple selection from drop down list of HTML. So list size i.e., lis

Answer 1

Have one Util.java file or if you already have all common util stuff then just add these static methods

for single quote

public static String singleQuote(String str) {
        return (str != null ? "'" + str + "'" : null);
}

for double quotes

public static String doubleQuotes(String str) {
        return (str != null ? "\"" + str + "\"" : null);
}