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TriangleClassification added
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9 files changed

+225
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‎jdk_21_maven/cs/web/triangle-ssr/pom.xml‎

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TODO replace me
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<!-- TODO replace me -->
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-parent</artifactId>
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<version>3.4.3</version>
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<relativePath/> <!-- lookup parent from repository -->
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</parent>
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<groupId>com.example</groupId>
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<artifactId>springmvc-docker</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<name>SpringMVCDocker</name>
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<description>SpringMVCDocker</description>
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<url/>
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<licenses>
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<license/>
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</licenses>
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<developers>
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<developer/>
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</developers>
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<scm>
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<connection/>
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<developerConnection/>
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<tag/>
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<url/>
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</scm>
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<properties>
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<java.version>21</java.version>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-thymeleaf</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-web</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-test</artifactId>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-maven-plugin</artifactId>
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</plugin>
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</plugins>
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</build>
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</project>

‎jdk_21_maven/cs/web/triangle-ssr/src/main/java/com/example/springmvcdocker/FormController.java‎

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package com.example.springmvcdocker;
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import org.springframework.stereotype.Controller;
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import org.springframework.ui.Model;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.PostMapping;
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import org.springframework.web.bind.annotation.RequestParam;
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import org.springframework.web.bind.annotation.RequestMapping;
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@Controller
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public class FormController {
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@GetMapping("/index")
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public String showForm() {
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return "index";
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}
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@PostMapping("/process")
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public String processForm(
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@RequestParam("a") int a,
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@RequestParam("b") int b,
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@RequestParam("c") int c)
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{
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int value = TriangleClassification.classify(a, b, c);
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String triangleType = getTriangleType(value);
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return "redirect:/" + triangleType.toLowerCase().replace(" ", "-");
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}
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@RequestMapping("/not-a-triangle")
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public String notATriangle(Model model) {
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model.addAttribute("output", "The input does not form a triangle.");
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return "notTriangle";
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}
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@RequestMapping("/scalene-triangle")
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public String scaleneTriangle(Model model) {
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model.addAttribute("output", "This is a Scalene triangle.");
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return "scalene";
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}
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@RequestMapping("/isosceles-triangle")
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public String isoscelesTriangle(Model model) {
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model.addAttribute("output", "This is an Isosceles triangle.");
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return "isosceles";
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}
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@RequestMapping("/equilateral-triangle")
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public String equilateralTriangle(Model model) {
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model.addAttribute("output", "This is an Equilateral triangle.");
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return "equilateral";
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}
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public static String getTriangleType(int value) {
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switch (value) {
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case 0: return "Not a triangle";
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case 1: return "Scalene triangle";
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case 2: return "Isosceles triangle";
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case 3: return "Equilateral triangle";
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default: return "Invalid input";
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}
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}
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}

‎jdk_21_maven/cs/web/triangle-ssr/src/main/java/com/example/springmvcdocker/SpringMvcDockerApplication.java‎

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package com.example.springmvcdocker;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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@SpringBootApplication
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public class SpringMvcDockerApplication {
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public static void main(String[] args) {
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SpringApplication.run(SpringMvcDockerApplication.class, args);
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}
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}

‎jdk_21_maven/cs/web/triangle-ssr/src/main/java/com/example/springmvcdocker/TriangleClassification.java‎

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package com.example.springmvcdocker;
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public class TriangleClassification {
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public static int classify(int a, int b, int c) {
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if (a <= 0 || b <= 0 || c <= 0) {
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return 0;
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}
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if (a == b && b == c) {
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return 3;
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}
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int max = Math.max(a, Math.max(b, c));
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if ((max == a && max - b - c >= 0) ||
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(max == b && max - a - c >= 0) ||
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(max == c && max - a - b >= 0)) {
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return 0;
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}
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if (a == b || b == c || a == c) {
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return 2;
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} else {
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return 1;
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}
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}
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}

‎jdk_21_maven/cs/web/triangle-ssr/src/main/resources/templates/equilateral.html‎

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<!DOCTYPE html>
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<html xmlns:th="http://www.thymeleaf.org">
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<head>
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<title>Equilateral Triangle</title>
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</head>
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<body>
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<h2><span th:text="${output}"></span></h2>
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<a href="/index"> << Go back</a>
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</body>
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</html>

‎jdk_21_maven/cs/web/triangle-ssr/src/main/resources/templates/index.html‎

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<!DOCTYPE html>
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<html xmlns:th="http://www.thymeleaf.org">
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<head>
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<title>SUT</title>
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</head>
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<body>
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<h1>Spring MVC test app</h1>
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<h2>Triangle classification</h2>
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<h2>Enter side values:</h2>
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<form action="/process" method="post">
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<label for="a">Side A:</label>
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<input type="number" id="a" name="a" required><br><br>
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<label for="b">Side B:</label>
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<input type="number" id="b" name="b" required><br><br>
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<label for="c">Side C:</label>
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<input type="number" id="c" name="c" required><br><br>
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<button type="submit">Submit</button>
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</form>
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</body>
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</html>

‎jdk_21_maven/cs/web/triangle-ssr/src/main/resources/templates/isosceles.html‎

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<!DOCTYPE html>
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<html xmlns:th="http://www.thymeleaf.org">
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<head>
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<title>Isosceles Triangle</title>
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</head>
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<body>
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<h2><span th:text="${output}"></span></h2>
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<a href="/index"> << Go back</a>
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</body>
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</html>

‎jdk_21_maven/cs/web/triangle-ssr/src/main/resources/templates/notTriangle.html‎

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<!DOCTYPE html>
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<html xmlns:th="http://www.thymeleaf.org">
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<head>
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<title>Not a Triangle</title>
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</head>
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<body>
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<h2><span th:text="${output}"></span></h2>
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<a href="/index"> << Go back</a>
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</body>
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</html>

‎jdk_21_maven/cs/web/triangle-ssr/src/main/resources/templates/scalene.html‎

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<!DOCTYPE html>
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<html xmlns:th="http://www.thymeleaf.org">
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<head>
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<title>Scalene Triangle</title>
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</head>
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<body>
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<h2><span th:text="${output}"></span></h2>
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<a href="/index"> << Go back</a>
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</body>
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</html>

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