-

Author: blackshadowsoftwareltd

Threading/.vscode/launch.json

@@ -0,0 +1,21 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "type": "java",
+            "name": "Launch Current File",
+            "request": "launch",
+            "mainClass": "${file}"
+        },
+        {
+            "type": "java",
+            "name": "Launch TestProject",
+            "request": "launch",
+            "mainClass": "com.mycompany.testproject.TestProject",
+            "projectName": "TestProject"
+        }
+    ]
+}

Threading/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<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>com.mycompany</groupId>
+    <artifactId>TestProject</artifactId>
+    <version>1.0-SNAPSHOT</version>
+    <packaging>jar</packaging>
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
+        <exec.mainClass>com.mycompany.testproject.TestProject</exec.mainClass>
+    </properties>
+</project>

Threading/src/main/java/com/mycompany/testproject/Test.java

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+package com.mycompany.testproject;
+
+public class Test {
+    String name;
+    static String s = "not set";
+}

Threading/src/main/java/com/mycompany/testproject/TestProject.class

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+package com.mycompany.testproject;
+
+public class TestProject {
+    public static void main(String[] args) {
+        System.out.println("Start");
+        TestProject t = new TestProject();
+        t.assign();
+        t.print();
+        Init init = new Init();
+        init.setStatic();
+        init.print();
+    }
+
+    void assign() {
+        Test test = new Test();
+        test.name = "test";
+        Test.s = "static";
+        System.out.println(test.hashCode());
+    }
+
+    void print() {
+        Test test = new Test();
+        System.out.println(test.name);
+        System.out.println(Test.s);
+        System.out.println(test.hashCode());
+    }
+
+}
+
+class Init {
+    void setStatic() {
+        Test.s = "static updated";
+    }
+
+    void print() {
+        System.out.println(Test.s);
+    }
+}