From 2a92059d31575b790c65b1696b80c1c13f270c7b Mon Sep 17 00:00:00 2001
From: Fabio Scotto di Santolo <fabio.scottodisantolo@protonmail.com>
Date: Thu, 11 Oct 2018 21:22:13 +0200
Subject: [PATCH] esempi capitolo 12

---
 .../java8/professional/oop/Danneggiabile.java |  8 ++++
 .../oop/DanneggiabileComponent.java           | 19 ++++++++
 .../oracle/java8/professional/oop/Figura.java | 13 ++++++
 .../java8/professional/oop/Localizzabile.java | 10 ++++
 .../oop/LocalizzabileComponent.java           | 28 +++++++++++
 .../oracle/java8/professional/oop/Mina.java   | 46 +++++++++++++++++++
 .../java8/professional/oop/Singleton1.java    |  7 +++
 .../java8/professional/oop/Singleton2.java    | 14 ++++++
 .../java8/professional/oop/Singleton3.java    |  5 ++
 .../java8/professional/oop/Urticante.java     |  6 +++
 .../professional/oop/UrticanteComponent.java  | 14 ++++++
 11 files changed, 170 insertions(+)
 create mode 100644 src/com/oracle/java8/professional/oop/Danneggiabile.java
 create mode 100644 src/com/oracle/java8/professional/oop/DanneggiabileComponent.java
 create mode 100644 src/com/oracle/java8/professional/oop/Figura.java
 create mode 100644 src/com/oracle/java8/professional/oop/Localizzabile.java
 create mode 100644 src/com/oracle/java8/professional/oop/LocalizzabileComponent.java
 create mode 100644 src/com/oracle/java8/professional/oop/Mina.java
 create mode 100644 src/com/oracle/java8/professional/oop/Singleton1.java
 create mode 100644 src/com/oracle/java8/professional/oop/Singleton2.java
 create mode 100644 src/com/oracle/java8/professional/oop/Singleton3.java
 create mode 100644 src/com/oracle/java8/professional/oop/Urticante.java
 create mode 100644 src/com/oracle/java8/professional/oop/UrticanteComponent.java

diff --git a/src/com/oracle/java8/professional/oop/Danneggiabile.java b/src/com/oracle/java8/professional/oop/Danneggiabile.java
new file mode 100644
index 0000000..cfd5ec4
--- /dev/null
+++ b/src/com/oracle/java8/professional/oop/Danneggiabile.java
@@ -0,0 +1,8 @@
+package com.oracle.java8.professional.oop;
+
+public interface Danneggiabile {
+
+	void riceviColpo(double intensita);
+
+	boolean isDistrutto();
+}
diff --git a/src/com/oracle/java8/professional/oop/DanneggiabileComponent.java b/src/com/oracle/java8/professional/oop/DanneggiabileComponent.java
new file mode 100644
index 0000000..9ab288c
--- /dev/null
+++ b/src/com/oracle/java8/professional/oop/DanneggiabileComponent.java
@@ -0,0 +1,19 @@
+package com.oracle.java8.professional.oop;
+
+public class DanneggiabileComponent implements Danneggiabile {
+	private double vita;
+
+	public DanneggiabileComponent(double vita) {
+		this.vita = vita;
+	}
+
+	@Override
+	public void riceviColpo(double intensita) {
+		this.vita -= intensita;
+	}
+
+	@Override
+	public boolean isDistrutto() {
+		return this.vita <= 0;
+	}
+}
diff --git a/src/com/oracle/java8/professional/oop/Figura.java b/src/com/oracle/java8/professional/oop/Figura.java
new file mode 100644
index 0000000..3f84afd
--- /dev/null
+++ b/src/com/oracle/java8/professional/oop/Figura.java
@@ -0,0 +1,13 @@
+package com.oracle.java8.professional.oop;
+
+public abstract class Figura {
+	private double x, y;
+
+	public abstract void disegna();
+
+	public void sposta(double deltaX, double deltaY) {
+		x += deltaX;
+		y += deltaY;
+		disegna();
+	}
+}
diff --git a/src/com/oracle/java8/professional/oop/Localizzabile.java b/src/com/oracle/java8/professional/oop/Localizzabile.java
new file mode 100644
index 0000000..e4002e6
--- /dev/null
+++ b/src/com/oracle/java8/professional/oop/Localizzabile.java
@@ -0,0 +1,10 @@
+package com.oracle.java8.professional.oop;
+
+public interface Localizzabile {
+
+	double getX();
+
+	double getY();
+
+	double getZ();
+}
diff --git a/src/com/oracle/java8/professional/oop/LocalizzabileComponent.java b/src/com/oracle/java8/professional/oop/LocalizzabileComponent.java
new file mode 100644
index 0000000..b1ba571
--- /dev/null
+++ b/src/com/oracle/java8/professional/oop/LocalizzabileComponent.java
@@ -0,0 +1,28 @@
+package com.oracle.java8.professional.oop;
+
+public class LocalizzabileComponent implements Localizzabile {
+	private double x;
+	private double y;
+	private double z;
+
+	public LocalizzabileComponent(double x, double y, double z) {
+		this.x = x;
+		this.y = y;
+		this.z = z;
+	}
+
+	@Override
+	public double getX() {
+		return this.x;
+	}
+
+	@Override
+	public double getY() {
+		return this.y;
+	}
+
+	@Override
+	public double getZ() {
+		return this.z;
+	}
+}
diff --git a/src/com/oracle/java8/professional/oop/Mina.java b/src/com/oracle/java8/professional/oop/Mina.java
new file mode 100644
index 0000000..0393091
--- /dev/null
+++ b/src/com/oracle/java8/professional/oop/Mina.java
@@ -0,0 +1,46 @@
+package com.oracle.java8.professional.oop;
+
+public class Mina implements Localizzabile, Danneggiabile, Urticante {
+	private static final double DANNO = 20;
+	private static final double VITA = 50;
+
+	private final Danneggiabile dh;
+	private final Urticante uh;
+	private final Localizzabile lh;
+
+	public Mina(double x, double y, double z) {
+		this.dh = new DanneggiabileComponent(VITA);
+		this.uh = new UrticanteComponent(DANNO);
+		this.lh = new LocalizzabileComponent(x, y, z);
+	}
+
+	@Override
+	public void riceviColpo(double intensita) {
+		dh.riceviColpo(intensita);
+	}
+
+	@Override
+	public boolean isDistrutto() {
+		return dh.isDistrutto();
+	}
+
+	@Override
+	public double getX() {
+		return lh.getX();
+	}
+
+	@Override
+	public double getY() {
+		return lh.getY();
+	}
+
+	@Override
+	public double getZ() {
+		return lh.getZ();
+	}
+
+	@Override
+	public double getDanno() {
+		return uh.getDanno();
+	}
+}
diff --git a/src/com/oracle/java8/professional/oop/Singleton1.java b/src/com/oracle/java8/professional/oop/Singleton1.java
new file mode 100644
index 0000000..f8e027c
--- /dev/null
+++ b/src/com/oracle/java8/professional/oop/Singleton1.java
@@ -0,0 +1,7 @@
+package com.oracle.java8.professional.oop;
+
+public class Singleton1 {
+	public static final Singleton1 instance = new Singleton1();
+
+	private Singleton1() {}
+}
diff --git a/src/com/oracle/java8/professional/oop/Singleton2.java b/src/com/oracle/java8/professional/oop/Singleton2.java
new file mode 100644
index 0000000..373e07b
--- /dev/null
+++ b/src/com/oracle/java8/professional/oop/Singleton2.java
@@ -0,0 +1,14 @@
+package com.oracle.java8.professional.oop;
+
+public class Singleton2 {
+	private static Singleton2 instance;
+
+	public static synchronized Singleton2 getInstance() {
+		if (instance == null) {
+			instance = new Singleton2();
+		}
+		return instance;
+	}
+
+	private Singleton2() {}
+}
diff --git a/src/com/oracle/java8/professional/oop/Singleton3.java b/src/com/oracle/java8/professional/oop/Singleton3.java
new file mode 100644
index 0000000..993f2f3
--- /dev/null
+++ b/src/com/oracle/java8/professional/oop/Singleton3.java
@@ -0,0 +1,5 @@
+package com.oracle.java8.professional.oop;
+
+public enum Singleton3 {
+	INSTANCE;
+}
diff --git a/src/com/oracle/java8/professional/oop/Urticante.java b/src/com/oracle/java8/professional/oop/Urticante.java
new file mode 100644
index 0000000..92dc4b0
--- /dev/null
+++ b/src/com/oracle/java8/professional/oop/Urticante.java
@@ -0,0 +1,6 @@
+package com.oracle.java8.professional.oop;
+
+public interface Urticante {
+
+	double getDanno();
+}
diff --git a/src/com/oracle/java8/professional/oop/UrticanteComponent.java b/src/com/oracle/java8/professional/oop/UrticanteComponent.java
new file mode 100644
index 0000000..71fb9d6
--- /dev/null
+++ b/src/com/oracle/java8/professional/oop/UrticanteComponent.java
@@ -0,0 +1,14 @@
+package com.oracle.java8.professional.oop;
+
+public class UrticanteComponent implements Urticante {
+	private double danno;
+
+	public UrticanteComponent(double danno) {
+		this.danno = danno;
+	}
+
+	@Override
+	public double getDanno() {
+		return this.danno;
+	}
+}