overloaded constructor compilation error

package com.concretepage;

public class OverloadConstructor {
/*
public OverloadConstructor() {
}*/
public OverloadConstructor(String a) {
System.out.println("Overloaded Constructors Value is " + a);
}
public static void main(String[] args) {
OverloadConstructor overloadConstructor1  = new OverloadConstructor("String");
OverloadConstructor overloadConstructor2  = new OverloadConstructor();
}
}