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deepakdeepak
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instanceof checks for implemented Interface
1 parent fffa693 commit 13c16cc

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‎QUESTIONS.md‎

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Programmer programmer3 = new Programmer(p1);
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System.out.println("explicit person to programmer: " + programmer3);
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```
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21. read interfaces vs abstract classes again.
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https://docs.oracle.com/javase/tutorial/java/IandI/abstract.html

‎src/main/Hipster.java‎

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package main;
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public interface Hipster {
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Integer hipsterHandshake();
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}

‎src/main/Main.java‎

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Programmer programmer3 = new Programmer(p1);
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System.out.println("explicit person to programmer: " + programmer3);
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System.out.println("programmer is hipster: " + (programmer1 instanceof Hipster));
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System.out.println("programmer is a programmer: " + (programmer1 instanceof Programmer));
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Person[] persons = new Person[2];
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persons[0] = p1;
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‎src/main/Programmer.java‎

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package main;
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public class Programmer extends Person {
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public class Programmer
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extends Person
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implements Hipster {
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private Integer githubID;
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public Programmer(String name, Integer githubID) {
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", githubID=" + githubID +
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'}';
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}
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@Override
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public Integer hipsterHandshake() {
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return 42;
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}
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}

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