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Added additional feature to Interface #1

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Added additional feature to Interface #1

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2 changes: 2 additions & 0 deletions src/com/in28minutes/java/oops/inheritance/InheritanceExamples.java
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Original file line number Diff line number Diff line change
Expand Up @@ -23,5 +23,7 @@ public class InheritanceExamples {
public static void main(String[] args) {
Animal animal = new Cat();
System.out.println(animal.bark());
animal = new Dog();
System.out.println(animal.bark());
}
}
2 changes: 2 additions & 0 deletions src/com/in28minutes/java/oops/interfaces/InterfaceExamples.java
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
package com.in28minutes.java.oops.interfaces;

interface Flyable {
final int max_altitude=3000; //data members are final in interfaces
void fly();
}

Expand All @@ -20,5 +21,6 @@ public class InterfaceExamples {
public static void main(String[] args) {
Flyable flyable = new Bird();
flyable.fly();
System.out.println(flyable.max_altitude);
}
}