diff --git a/.gitignore b/.gitignore
index f1ef58c..afc9b0e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -29,3 +29,5 @@ hs_err_pid*
/NetBeans Projects/esercizi/nbproject/private/
/NetBeans Projects/esercizi/dist/
/NetBeans Projects/esercizi/build/
+/NetBeans Projects/LineaCalcoli/nbproject/private/
+/NetBeans Projects/LineaCalcoli/build/
diff --git a/NetBeans Projects/LineaCalcoli/Line.pdf b/NetBeans Projects/LineaCalcoli/Line.pdf
new file mode 100644
index 0000000..c171459
Binary files /dev/null and b/NetBeans Projects/LineaCalcoli/Line.pdf differ
diff --git a/NetBeans Projects/LineaCalcoli/LineaTest.pdf b/NetBeans Projects/LineaCalcoli/LineaTest.pdf
new file mode 100644
index 0000000..fe0d39c
Binary files /dev/null and b/NetBeans Projects/LineaCalcoli/LineaTest.pdf differ
diff --git a/NetBeans Projects/LineaCalcoli/build.xml b/NetBeans Projects/LineaCalcoli/build.xml
new file mode 100644
index 0000000..cbf490a
--- /dev/null
+++ b/NetBeans Projects/LineaCalcoli/build.xml
@@ -0,0 +1,73 @@
+
+
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+
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+
+ Builds, tests, and runs the project LineaCalcoli.
+
+
+
diff --git a/NetBeans Projects/LineaCalcoli/manifest.mf b/NetBeans Projects/LineaCalcoli/manifest.mf
new file mode 100644
index 0000000..328e8e5
--- /dev/null
+++ b/NetBeans Projects/LineaCalcoli/manifest.mf
@@ -0,0 +1,3 @@
+Manifest-Version: 1.0
+X-COMMENT: Main-Class will be added automatically by build
+
diff --git a/NetBeans Projects/LineaCalcoli/nbproject/build-impl.xml b/NetBeans Projects/LineaCalcoli/nbproject/build-impl.xml
new file mode 100644
index 0000000..5952454
--- /dev/null
+++ b/NetBeans Projects/LineaCalcoli/nbproject/build-impl.xml
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+ Must set src.dir
+ Must set test.src.dir
+ Must set build.dir
+ Must set dist.dir
+ Must set build.classes.dir
+ Must set dist.javadoc.dir
+ Must set build.test.classes.dir
+ Must set build.test.results.dir
+ Must set build.classes.excludes
+ Must set dist.jar
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+ Must set JVM to use for profiling in profiler.info.jvm
+ Must set profiler agent JVM arguments in profiler.info.jvmargs.agent
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+ Must select some files in the IDE or set javac.includes
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+ To run this application from the command line without Ant, try:
+
+ java -jar "${dist.jar.resolved}"
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+ Must select one file in the IDE or set run.class
+
+
+
+ Must select one file in the IDE or set run.class
+
+
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+ Must select one file in the IDE or set debug.class
+
+
+
+
+ Must select one file in the IDE or set debug.class
+
+
+
+
+ Must set fix.includes
+
+
+
+
+
+
+
+
+
+ This target only works when run from inside the NetBeans IDE.
+
+
+
+
+
+
+
+
+ Must select one file in the IDE or set profile.class
+ This target only works when run from inside the NetBeans IDE.
+
+
+
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+
+
+
+
+ This target only works when run from inside the NetBeans IDE.
+
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+ This target only works when run from inside the NetBeans IDE.
+
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+ Must select one file in the IDE or set run.class
+
+
+
+
+
+ Must select some files in the IDE or set test.includes
+
+
+
+
+ Must select one file in the IDE or set run.class
+
+
+
+
+ Must select one file in the IDE or set applet.url
+
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+
+
+ Must select some files in the IDE or set javac.includes
+
+
+
+
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+
+
+
+
+
+
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+
+
+ Some tests failed; see details above.
+
+
+
+
+
+
+
+
+ Must select some files in the IDE or set test.includes
+
+
+
+ Some tests failed; see details above.
+
+
+
+ Must select some files in the IDE or set test.class
+ Must select some method in the IDE or set test.method
+
+
+
+ Some tests failed; see details above.
+
+
+
+
+ Must select one file in the IDE or set test.class
+
+
+
+ Must select one file in the IDE or set test.class
+ Must select some method in the IDE or set test.method
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ Must select one file in the IDE or set applet.url
+
+
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+ Must select one file in the IDE or set applet.url
+
+
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diff --git a/NetBeans Projects/LineaCalcoli/nbproject/genfiles.properties b/NetBeans Projects/LineaCalcoli/nbproject/genfiles.properties
new file mode 100644
index 0000000..a4d2794
--- /dev/null
+++ b/NetBeans Projects/LineaCalcoli/nbproject/genfiles.properties
@@ -0,0 +1,8 @@
+build.xml.data.CRC32=4bd1ec78
+build.xml.script.CRC32=9460592c
+build.xml.stylesheet.CRC32=f85dc8f2@1.105.0.48
+# This file is used by a NetBeans-based IDE to track changes in generated files such as build-impl.xml.
+# Do not edit this file. You may delete it but then the IDE will never regenerate such files for you.
+nbproject/build-impl.xml.data.CRC32=4bd1ec78
+nbproject/build-impl.xml.script.CRC32=89302400
+nbproject/build-impl.xml.stylesheet.CRC32=12e0a6c2@1.105.0.48
diff --git a/NetBeans Projects/LineaCalcoli/nbproject/project.properties b/NetBeans Projects/LineaCalcoli/nbproject/project.properties
new file mode 100644
index 0000000..1c5bae3
--- /dev/null
+++ b/NetBeans Projects/LineaCalcoli/nbproject/project.properties
@@ -0,0 +1,95 @@
+annotation.processing.enabled=true
+annotation.processing.enabled.in.editor=false
+annotation.processing.processor.options=
+annotation.processing.processors.list=
+annotation.processing.run.all.processors=true
+annotation.processing.source.output=${build.generated.sources.dir}/ap-source-output
+build.classes.dir=${build.dir}/classes
+build.classes.excludes=**/*.java,**/*.form
+# This directory is removed when the project is cleaned:
+build.dir=build
+build.generated.dir=${build.dir}/generated
+build.generated.sources.dir=${build.dir}/generated-sources
+# Only compile against the classpath explicitly listed here:
+build.sysclasspath=ignore
+build.test.classes.dir=${build.dir}/test/classes
+build.test.results.dir=${build.dir}/test/results
+# Uncomment to specify the preferred debugger connection transport:
+#debug.transport=dt_socket
+debug.classpath=\
+ ${run.classpath}
+debug.modulepath=\
+ ${run.modulepath}
+debug.test.classpath=\
+ ${run.test.classpath}
+debug.test.modulepath=\
+ ${run.test.modulepath}
+# Files in build.classes.dir which should be excluded from distribution jar
+dist.archive.excludes=
+# This directory is removed when the project is cleaned:
+dist.dir=dist
+dist.jar=${dist.dir}/LineaCalcoli.jar
+dist.javadoc.dir=${dist.dir}/javadoc
+dist.jlink.dir=${dist.dir}/jlink
+dist.jlink.output=${dist.jlink.dir}/LineaCalcoli
+excludes=
+includes=**
+jar.compress=false
+javac.classpath=
+# Space-separated list of extra javac options
+javac.compilerargs=
+javac.deprecation=false
+javac.external.vm=true
+javac.modulepath=
+javac.processormodulepath=
+javac.processorpath=\
+ ${javac.classpath}
+javac.source=11
+javac.target=11
+javac.test.classpath=\
+ ${javac.classpath}:\
+ ${build.classes.dir}
+javac.test.modulepath=\
+ ${javac.modulepath}
+javac.test.processorpath=\
+ ${javac.test.classpath}
+javadoc.additionalparam=
+javadoc.author=false
+javadoc.encoding=${source.encoding}
+javadoc.html5=false
+javadoc.noindex=false
+javadoc.nonavbar=false
+javadoc.notree=false
+javadoc.private=false
+javadoc.splitindex=true
+javadoc.use=true
+javadoc.version=false
+javadoc.windowtitle=
+# The jlink additional root modules to resolve
+jlink.additionalmodules=
+# The jlink additional command line parameters
+jlink.additionalparam=
+jlink.launcher=true
+jlink.launcher.name=LineaCalcoli
+main.class=lineacalcoli.LineaTest
+manifest.file=manifest.mf
+meta.inf.dir=${src.dir}/META-INF
+mkdist.disabled=false
+platform.active=default_platform
+run.classpath=\
+ ${javac.classpath}:\
+ ${build.classes.dir}
+# Space-separated list of JVM arguments used when running the project.
+# You may also define separate properties like run-sys-prop.name=value instead of -Dname=value.
+# To set system properties for unit tests define test-sys-prop.name=value:
+run.jvmargs=
+run.modulepath=\
+ ${javac.modulepath}
+run.test.classpath=\
+ ${javac.test.classpath}:\
+ ${build.test.classes.dir}
+run.test.modulepath=\
+ ${javac.test.modulepath}
+source.encoding=UTF-8
+src.dir=src
+test.src.dir=test
diff --git a/NetBeans Projects/LineaCalcoli/nbproject/project.xml b/NetBeans Projects/LineaCalcoli/nbproject/project.xml
new file mode 100644
index 0000000..e45c762
--- /dev/null
+++ b/NetBeans Projects/LineaCalcoli/nbproject/project.xml
@@ -0,0 +1,15 @@
+
+
+ org.netbeans.modules.java.j2seproject
+
+
+ LineaCalcoli
+
+
+
+
+
+
+
+
+
diff --git a/NetBeans Projects/LineaCalcoli/src/lineacalcoli/Line.java b/NetBeans Projects/LineaCalcoli/src/lineacalcoli/Line.java
new file mode 100644
index 0000000..915420a
--- /dev/null
+++ b/NetBeans Projects/LineaCalcoli/src/lineacalcoli/Line.java
@@ -0,0 +1,92 @@
+package lineacalcoli;
+
+/**
+ *
+ * @author radaelli11353
+ */
+public class Line {
+ private double a;
+ private double b;
+ private double c;
+
+ /**
+ * Costruttore per linea con punto e pendenza
+ * @param x1 X del punto fornito
+ * @param y1 Y del punto fornito
+ * @param m Pendenza
+ */
+ public Line(double x1, double y1, double m) {
+ a = -m;
+ b = 1;
+ c = y1 - m * x1;
+ }
+
+ /**
+ * Costruttore per linea passante per due punti
+ * @param x1 X del primo punto
+ * @param y1 Y del primo punto
+ * @param x2 X del secondo punto
+ * @param y2 Y del secondo punto
+ */
+ public Line(double x1, double y1, double x2, double y2) {
+ a = (y2 - y1)/(x1 - x2);
+ b = 1;
+ c = (x2 * y1 - x1 * y2) / (x1 - x2);
+ }
+
+ /**
+ * Costruttore per linea con pendenza e intersezione con y
+ * @param m Pendenza
+ * @param q Intersezione con l'asse delle y
+ */
+ public Line(double m, double q) {
+ a = -m;
+ b = 1;
+ c = -q;
+ }
+
+ /**
+ * Costruttore per retta verticale
+ * @param k Costante che indica l'intersezione con x
+ */
+ public Line(double k) {
+ a = 1;
+ b = 0;
+ c = -k;
+ }
+
+ @Override
+ public String toString() {
+ return a + "," + b + "," + c;
+ }
+
+ /**
+ * Metodo che controlla se c'è intersezione tra due rette (=non parallele)
+ * @param other Altra retta
+ * @return True se c'è intersezione, false se sono parallele
+ */
+ public boolean intersects(Line other) {
+ return !isParallel(other);
+ }
+
+ /**
+ * Metodo che confronta l'uguaglianza tra due rette
+ * @param other Altra retta
+ * @return True se le rette sono uguali (sovrapposte)
+ */
+ public boolean equals(Line other) {
+ return a == other.a && b == other.b && c == other.c;
+ }
+
+ /**
+ * Metodo che controlla se le rette sono parallele
+ * @param other Altra retta
+ * @return True se sono parallele, false se c'è intersezione
+ */
+ public boolean isParallel(Line other) {
+ double thisM = -a / b;
+ double otherM = -other.a / other.b;
+
+ return thisM == otherM;
+ }
+}
diff --git a/NetBeans Projects/LineaCalcoli/src/lineacalcoli/LineaTest.java b/NetBeans Projects/LineaCalcoli/src/lineacalcoli/LineaTest.java
new file mode 100644
index 0000000..5ed1ffd
--- /dev/null
+++ b/NetBeans Projects/LineaCalcoli/src/lineacalcoli/LineaTest.java
@@ -0,0 +1,17 @@
+package lineacalcoli;
+
+/**
+ *
+ * @author radaelli11353
+ */
+public class LineaTest {
+ public static void main(String[] args) {
+ Line prova = new Line(2, 3);
+ Line other = new Line(2, 5);
+
+ System.out.println(prova.intersects(other));
+
+
+ System.out.println(prova);
+ }
+}