Institute of Information Science - University of Miskolc

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Java példa
Előfeltételek
  * Visual Studio Code
  * install maven. Ezt a szkriptet futtasd egy powershellben [[https://gist.github.com/schtritoff/60a468d30707801510fd5c36d851550f]]. Powershell bezár!
  * JDK kicsomagolása [[http://https://adoptium.net/temurin/releases/]] c:\users\myuser\jdk21mappába <code>java -version</code>
  * <code>setx JAVA_HOME "C:\Users\myuser\jdk21"</code> cmd ablak bezár
  * Visual Studio Code alkalmazásban telepítsd az Extension pack for Java

Lépések 
  * View → Command Palette: Create Java Project / Maven / maven-archetype-quickstart / version: 1.4 (legújabb), groupId: hu.example 
artifactId: junit-democélkünyvtár 
  * pom.xml
<code:xml>
  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <maven.compiler.source>21</maven.compiler.source>
    <maven.compiler.target>21</maven.compiler.target>
  </properties>

  <dependencies>
<dependency>
    <groupId>org.junit.jupiter</groupId>
    <artifactId>junit-jupiter</artifactId>
    <version>5.11.1</version>
    <scope>test</scope>
</dependency>
  </dependencies>
</code>
  * futtasd a maven tesztet
<code:bash>
mvn clean test
</code>
  *bal oldalt az Explorerben jobb klikk a src/main/java mappán / New File / név: Calculator.java
<code:java>
public class Calculator {

    public int add(int a, int b) {
        return a + b;
    }
}
</code>
  * src/test/java mappában létrehozunk hozzá egy:CalculatorTest.java
<code:java>
package hu.example;
import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.assertEquals;

class CalculatorTest {

    @Test
    void addTwoNumbers() {
        Calculator calculator = new Calculator();

        int result = calculator.add(2, 3);

        assertEquals(5, result);
    }
}
</code>

A teljes project: {{ :tanszek:oktatas:junit-demo.zip | teljes project}}