The Java Interview Handbook: 300+ Interview Questions/

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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

Question 1 of 40 attempted

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