OnJava8-Examples/generics/OrdinaryArguments.java at master · CSapprenticeWT/OnJava8-Examples · GitHub

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// generics/OrdinaryArguments.java

// We make no guarantees that this code is fit for any purpose.

// Visit http://OnJava8.com for more book information.

class OrdinarySetter {

void set(Base base) {

System.out.println("OrdinarySetter.set(Base)");

}

class DerivedSetter extends OrdinarySetter {

void set(Derived derived) {

System.out.println("DerivedSetter.set(Derived)");

}

public class OrdinaryArguments {

public static void main(String[] args) {

Base base = new Base();

Derived derived = new Derived();

DerivedSetter ds = new DerivedSetter();

ds.set(derived);

// Compiles--overloaded, not overridden!:

ds.set(base);

}

/* Output:

DerivedSetter.set(Derived)

OrdinarySetter.set(Base)