The Java Interview Handbook: 300+ Interview Questions/

...

/

Raw Types

Raw Types

This lesson explains what raw types are.

We'll cover the following...

Question # 1

Consider the Printer class below which is parametrized on type T.

public class Printer<T> {

    T item;

    public Printer(T item) {
        this.item = item;
    }

    public void consolePrinter() {
        System.out.println(item.toString());
    }

    public void changeItem(T item) {
        this.item = item;
    }
}

Will the following code snippet compile, if we don’t supply any type arguments? 

Printer printer = new Printer(5);
1.
A.

Yes

B.

No

1 / 4

The snippet Printer printer = new Printer(5); will compile just fine. ...