Convert BigDecimal to String

import java.math.BigDecimal;
 

public class Main {
 
    public static void main(String[] args) {
        BigDecimal first = new BigDecimal(100000f);
        
        System.out.println(first.toEngineeringString());
        System.out.println(first.toPlainString());
        System.out.println(first.toString());
     
    }
}