Quiz Costruttore

//What will be the result of attempting to compile the following program?
public class TestClass{
long l1;
public void TestClass(long pLong) { l1 = pLong ; } //(1)
public static void main(String args[]){
TestClass a, b ;
a = new TestClass(); //(2)
b = new TestClass(5); //(3)
}
}
/* Select 1 option
A. A compilation error will be encountered at (1), since constructors should not
specify a return value.
B. A compilation error will be encountered at (2), since the class does not have a
default constructor.
C. A compilation error will be encountered at (3).
D. The program will compile correctly.
E. It will not compile because parameter type of the constructor is different than the
type of value passed to it.*/