From ff526c705b0b7903ac140534e1122456465f998f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=A4=D0=B8=D0=BB=D0=B0=D1=82=D0=BE=D0=B2=20=D0=9C=D0=B0?=
 =?UTF-8?q?=D0=BA=D1=81=D0=B8=D0=BC?= <999099917@mail.ru>
Date: Mon, 3 Jun 2024 20:14:49 +0300
Subject: [PATCH 1/5] add task

---
 .gitignore                               | 38 ++++++++++++++++++
 .idea/.gitignore                         |  3 ++
 pom.xml                                  | 31 +++++++++++++++
 src/main/java/org/example/Program.java   | 12 ++++++
 src/main/java/org/example/Sqrt.java      | 29 ++++++++++++++
 src/test/java/org/example/SqrtTests.java | 49 ++++++++++++++++++++++++
 6 files changed, 162 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 .idea/.gitignore
 create mode 100644 pom.xml
 create mode 100644 src/main/java/org/example/Program.java
 create mode 100644 src/main/java/org/example/Sqrt.java
 create mode 100644 src/test/java/org/example/SqrtTests.java

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..5ff6309
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,38 @@
+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### IntelliJ IDEA ###
+.idea/modules.xml
+.idea/jarRepositories.xml
+.idea/compiler.xml
+.idea/libraries/
+*.iws
+*.iml
+*.ipr
+
+### Eclipse ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/
+
+### Mac OS ###
+.DS_Store
\ No newline at end of file
diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..26d3352
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,3 @@
+# Default ignored files
+/shelf/
+/workspace.xml
diff --git a/pom.xml b/pom.xml
new file mode 100644
index 0000000..00f686a
--- /dev/null
+++ b/pom.xml
@@ -0,0 +1,31 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <groupId>org.example</groupId>
+  <artifactId>ST-5-new</artifactId>
+  <version>1.0-SNAPSHOT</version>
+  <packaging>jar</packaging>
+
+  <name>ST-5-new</name>
+  <url>http://maven.apache.org</url>
+
+  <properties>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+  </properties>
+
+  <dependencies>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <version>4.13.1</version>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.junit.jupiter</groupId>
+      <artifactId>junit-jupiter-api</artifactId>
+      <version>5.11.0-M2</version>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
+</project>
diff --git a/src/main/java/org/example/Program.java b/src/main/java/org/example/Program.java
new file mode 100644
index 0000000..979577c
--- /dev/null
+++ b/src/main/java/org/example/Program.java
@@ -0,0 +1,12 @@
+package org.example;
+
+class Program
+{
+    public static void main(String[] args)
+    {
+        double val=Double.parseDouble("2.0");
+        Sqrt sqrt=new Sqrt(val);
+        double result=sqrt.calc();
+        System.out.println("Sqrt of " + val + " = " + result);
+    }
+}
diff --git a/src/main/java/org/example/Sqrt.java b/src/main/java/org/example/Sqrt.java
new file mode 100644
index 0000000..e0faee9
--- /dev/null
+++ b/src/main/java/org/example/Sqrt.java
@@ -0,0 +1,29 @@
+package org.example;
+
+class Sqrt
+{
+    double delta=0.00000001;
+    double arg;
+
+    public Sqrt(double arg) {
+        this.arg=arg;
+    }
+    public double average(double x,double y) {
+        return (x+y)/2.0;
+    }
+    public boolean good(double guess,double x) {
+        return Math.abs(guess*guess-x)<delta;
+    }
+    public double improve(double guess,double x) {
+        return average(guess,x/guess);
+    }
+    public double iter(double guess, double x) {
+        if(good(guess,x))
+            return guess;
+        else
+            return iter(improve(guess,x),x);
+    }
+    public double calc() {
+        return iter(1.0,arg);
+    }
+}
diff --git a/src/test/java/org/example/SqrtTests.java b/src/test/java/org/example/SqrtTests.java
new file mode 100644
index 0000000..434b497
--- /dev/null
+++ b/src/test/java/org/example/SqrtTests.java
@@ -0,0 +1,49 @@
+package org.example;
+
+import org.junit.Test;
+import org.junit.jupiter.api.Assertions;
+
+public class SqrtTests {
+    private Sqrt sqrt;
+
+    @Test
+    public void testAverage() {
+        sqrt = new Sqrt(16.0);
+        double result = sqrt.average(4.0, 8.0);
+        Assertions.assertEquals(6.0, result);
+    }
+
+    @Test
+    public void testGood() {
+        sqrt = new Sqrt(16.0);
+        boolean result1 = sqrt.good(4.0, 16.0);
+        Assertions.assertTrue(result1);
+
+        boolean result2 = sqrt.good(3.0, 16.0);
+        Assertions.assertFalse(result2);
+    }
+
+    @Test
+    public void testImprove() {
+        sqrt = new Sqrt(16.0);
+        double result = sqrt.improve(4.0, 16.0);
+        Assertions.assertEquals(4.0, result, sqrt.delta);
+    }
+
+    @Test
+    public void testIter() {
+        sqrt = new Sqrt(16.0);
+        double result1 = sqrt.iter(4.0, 16.0);
+        Assertions.assertEquals(4.0, result1, sqrt.delta);
+
+        double result2 = sqrt.iter(1.0, 16.0);
+        Assertions.assertEquals(4.0, result2, sqrt.delta);
+    }
+
+    @Test
+    public void testCalc() {
+        sqrt = new Sqrt(16.0);
+        double result = sqrt.calc();
+        Assertions.assertEquals(4.0, result, sqrt.delta);
+    }
+}

From 09f053d95c3eeb3f61c2712a8460840c269aa97b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=A4=D0=B8=D0=BB=D0=B0=D1=82=D0=BE=D0=B2=20=D0=9C=D0=B0?=
 =?UTF-8?q?=D0=BA=D1=81=D0=B8=D0=BC?= <999099917@mail.ru>
Date: Mon, 3 Jun 2024 20:49:56 +0300
Subject: [PATCH 2/5] update pom.xml

---
 pom.xml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pom.xml b/pom.xml
index 00f686a..ea66f97 100644
--- a/pom.xml
+++ b/pom.xml
@@ -12,6 +12,8 @@
 
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    <maven.compiler.source>1.8</maven.compiler.source>
+    <maven.compiler.target>1.8</maven.compiler.target>
   </properties>
 
   <dependencies>

From 9893fccbb99f8729cf70d7a076a3c5483f459edf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=A4=D0=B8=D0=BB=D0=B0=D1=82=D0=BE=D0=B2=20=D0=9C=D0=B0?=
 =?UTF-8?q?=D0=BA=D1=81=D0=B8=D0=BC?= <999099917@mail.ru>
Date: Mon, 3 Jun 2024 20:54:38 +0300
Subject: [PATCH 3/5] fix

---
 pom.xml                                  | 10 +++++-----
 src/test/java/org/example/SqrtTests.java |  2 +-
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/pom.xml b/pom.xml
index ea66f97..0d399c7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -18,15 +18,15 @@
 
   <dependencies>
     <dependency>
-      <groupId>junit</groupId>
-      <artifactId>junit</artifactId>
-      <version>4.13.1</version>
+      <groupId>org.junit.jupiter</groupId>
+      <artifactId>junit-jupiter-api</artifactId>
+      <version>5.10.2</version>
       <scope>test</scope>
     </dependency>
     <dependency>
       <groupId>org.junit.jupiter</groupId>
-      <artifactId>junit-jupiter-api</artifactId>
-      <version>5.11.0-M2</version>
+      <artifactId>junit-jupiter-engine</artifactId>
+      <version>5.10.2</version>
       <scope>test</scope>
     </dependency>
   </dependencies>
diff --git a/src/test/java/org/example/SqrtTests.java b/src/test/java/org/example/SqrtTests.java
index 434b497..1e43459 100644
--- a/src/test/java/org/example/SqrtTests.java
+++ b/src/test/java/org/example/SqrtTests.java
@@ -1,7 +1,7 @@
 package org.example;
 
-import org.junit.Test;
 import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
 
 public class SqrtTests {
     private Sqrt sqrt;

From 0491248053b7b749c5e75912e507fec5723b624f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=A4=D0=B8=D0=BB=D0=B0=D1=82=D0=BE=D0=B2=20=D0=9C=D0=B0?=
 =?UTF-8?q?=D0=BA=D1=81=D0=B8=D0=BC?= <999099917@mail.ru>
Date: Mon, 3 Jun 2024 21:00:27 +0300
Subject: [PATCH 4/5] fix

---
 pom.xml | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/pom.xml b/pom.xml
index 0d399c7..3f7ba9d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,13 +1,13 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
 
   <groupId>org.example</groupId>
-  <artifactId>ST-5-new</artifactId>
+  <artifactId>ST-5</artifactId>
   <version>1.0-SNAPSHOT</version>
   <packaging>jar</packaging>
 
-  <name>ST-5-new</name>
+  <name>ST-5</name>
   <url>http://maven.apache.org</url>
 
   <properties>
@@ -30,4 +30,4 @@
       <scope>test</scope>
     </dependency>
   </dependencies>
-</project>
+</project>
\ No newline at end of file

From 87be9d48b2855bcb43d9d2c481167b9aa7cc68eb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=A4=D0=B8=D0=BB=D0=B0=D1=82=D0=BE=D0=B2=20=D0=9C=D0=B0?=
 =?UTF-8?q?=D0=BA=D1=81=D0=B8=D0=BC?= <999099917@mail.ru>
Date: Mon, 3 Jun 2024 21:08:22 +0300
Subject: [PATCH 5/5] add fix

---
 src/test/java/org/example/{SqrtTests.java => SqrtTest.java} | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
 rename src/test/java/org/example/{SqrtTests.java => SqrtTest.java} (97%)

diff --git a/src/test/java/org/example/SqrtTests.java b/src/test/java/org/example/SqrtTest.java
similarity index 97%
rename from src/test/java/org/example/SqrtTests.java
rename to src/test/java/org/example/SqrtTest.java
index 1e43459..bea9319 100644
--- a/src/test/java/org/example/SqrtTests.java
+++ b/src/test/java/org/example/SqrtTest.java
@@ -3,7 +3,7 @@
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Test;
 
-public class SqrtTests {
+public class SqrtTest {
     private Sqrt sqrt;
 
     @Test