package Qiantao;

import java.util.StringJoiner;

public class StringJo {

    public static void main(String[] args) {

        String[] fields = { "name", "position", "salary" };

        String table = "employee";

        String select = buildSelectSql(table, fields);

       // System.out.println(select);

//         String s = "SELECT name, position, salary FROM employee";

//         System.out.println(s.equals(select) ? "success" : "fail");

        System.out.println("SELECT name, position, salary FROM employee".equals(select) ? "success" : "fail");

    }

    static String buildSelectSql(String table, String[] fields) {

        // TODO:

    String sp = String.join(", ",fields);

    var sp2 = new StringJoiner(",", "SELECT ", " FROM employee");

    sp2.add(sp);

    //System.out.println(sp2.toString());

        return sp2.toString().strip();

    }

}