first commit

PrimoProgetto/.classpath

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+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-17">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>

PrimoProgetto/.project

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+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>PrimoProgetto</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+	<filteredResources>
+		<filter>
+			<id>1758261738047</id>
+			<name></name>
+			<type>30</type>
+			<matcher>
+				<id>org.eclipse.core.resources.regexFilterMatcher</id>
+				<arguments>node_modules|\.git|__CREATED_BY_JAVA_LANGUAGE_SERVER__</arguments>
+			</matcher>
+		</filter>
+	</filteredResources>
+</projectDescription>

PrimoProgetto/.settings/org.eclipse.core.resources.prefs

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+eclipse.preferences.version=1
+encoding/<project>=UTF-8

PrimoProgetto/.settings/org.eclipse.jdt.core.prefs

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+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.compliance=17
+org.eclipse.jdt.core.compiler.debug.lineNumber=generate
+org.eclipse.jdt.core.compiler.debug.localVariable=generate
+org.eclipse.jdt.core.compiler.debug.sourceFile=generate
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
+org.eclipse.jdt.core.compiler.release=enabled
+org.eclipse.jdt.core.compiler.source=17

PrimoProgetto/src/PrimaClasse.java

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+
+public class PrimaClasse {
+	public static void main(String[] args) {
+		System.out.println("Ciao Mondo!");
+	}
+}

SecondoProgetto/.classpath

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+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-17">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>

SecondoProgetto/.project

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+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>SecondoProgetto</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+	<filteredResources>
+		<filter>
+			<id>1758261738047</id>
+			<name></name>
+			<type>30</type>
+			<matcher>
+				<id>org.eclipse.core.resources.regexFilterMatcher</id>
+				<arguments>node_modules|\.git|__CREATED_BY_JAVA_LANGUAGE_SERVER__</arguments>
+			</matcher>
+		</filter>
+	</filteredResources>
+</projectDescription>

SecondoProgetto/.vscode/settings.json

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+{
+    "java.project.sourcePaths": ["src"],
+    "java.project.outputPath": "bin",
+    "java.project.referencedLibraries": [
+        "lib/**/*.jar"
+    ]
+}

SecondoProgetto/src/App.java

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+public class App {
+    public static void main(String[] args) throws Exception {
+        
+    }
+}
+class Poligono {
+    public int lati;
+    public double[] misure = new double[lati];
+    public double perimetro() {
+        int sum = 0;
+        for (int i = 0; i < lati; i++) {
+            sum += misure[i];
+        }
+        return sum;
+    }
+    public double semiperimetro() {
+        int sum = 0;
+        for (int i = 0; i < lati; i++) {
+            sum += misure[i];
+        }
+        return sum/2;
+    }
+}
+class Triangolo extends Poligono {
+    public double area() {
+        double a = misure[0];
+        double b = misure[1];
+        double c = misure[2];
+        double p = Poligono.semiperimetro();
+        double result = p*(p-a)*(p-b)*(p-c);
+        return Math.sqrt(result);
+    }
+}
+class Rettangolo extends Poligono {
+    private double latolungo() {
+
+    }
+    public double area(double latolungo, double latocorto) {
+        return latolungo*latocorto;
+    }
+}
+class Quadrato extends Poligono {
+    public double area(double lato) {
+        return lato*lato;
+    }
+}
+class Pentagono extends Poligono {
+    public double area(double lato) {
+        double constarea = 1.72;
+        return lato*lato*constarea;
+    }
+}