From 6685023b72ff22870b26b687047e34272b3221cc Mon Sep 17 00:00:00 2001
From: Juuso Rytilahti <juuso.b.rytilahti@utu.fi>
Date: Thu, 30 May 2024 13:26:34 +0000
Subject: [PATCH] Added exercise 3
---
Exercise3/Exercise3.java | 50 ++++++++++++++++++++++++++++++++++++++++
1 file changed, 50 insertions(+)
create mode 100644 Exercise3/Exercise3.java
diff --git a/Exercise3/Exercise3.java b/Exercise3/Exercise3.java
new file mode 100644
index 0000000..eafdc30
--- /dev/null
+++ b/Exercise3/Exercise3.java
@@ -0,0 +1,50 @@
+package fi.utu.tech.ooj.exercise4.exercise3;
+
+interface Winged {
+ default void fly() {
+ System.out.println(this + " flies!");
+ }
+}
+
+interface Bipedal {
+ default void walk() {
+ System.out.println(this + " walks!");
+ }
+}
+
+abstract class Bird implements Winged, Bipedal {
+
+}
+
+class Crow extends Bird {
+ private static int idx = 0;
+ private int id = ++idx;
+
+ @Override
+ public String toString() {
+ return "Varis " + id;
+ }
+}
+
+public class Teht3 {
+ public Teht3() {
+ System.out.println("Exercise 3");
+
+ challenge1(new Crow());
+ challenge2(new Crow());
+ }
+
+ void challenge1(Bird b) {
+ System.out.println("In this challenge, we fly and then we walk!");
+
+ b.fly();
+ b.walk();
+ }
+
+ <X extends Winged & Bipedal> void challenge2(X b) {
+ System.out.println("In this challenge, we fly and then we walk!");
+
+ b.fly();
+ b.walk();
+ }
+}
--
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