loops and version control

LAB JAVA LOOPS AND VERSION CONTROL/.vscode/settings.json

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+{
+    "java.project.sourcePaths": ["src"],
+    "java.project.outputPath": "bin",
+    "java.project.referencedLibraries": [
+        "lib/**/*.jar"
+    ]
+}

LAB JAVA LOOPS AND VERSION CONTROL/README.md

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+## Getting Started
+
+Welcome to the VS Code Java world. Here is a guideline to help you get started to write Java code in Visual Studio Code.
+
+## Folder Structure
+
+The workspace contains two folders by default, where:
+
+- `src`: the folder to maintain sources
+- `lib`: the folder to maintain dependencies
+
+Meanwhile, the compiled output files will be generated in the `bin` folder by default.
+
+> If you want to customize the folder structure, open `.vscode/settings.json` and update the related settings there.
+
+## Dependency Management
+
+The `JAVA PROJECTS` view allows you to manage your dependencies. More details can be found [here](https://github.com/microsoft/vscode-java-dependency#manage-dependencies).

LAB JAVA LOOPS AND VERSION CONTROL/src/Main.java

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+package src.java;
+import java.lang.reflect.Array;
+import java.util.Arrays;
+
+class Main{
+    public static void main(String[] args){
+        System.out.println("Hello World");
+    }
+
+
+//task 1
+public static int difference(int[] arr){
+    Arrays.sort(arr);
+    return arr[arr.length-1] - arr[0];
+}
+
+
+//task 2
+public static void smallest(int[] arr){
+    Arrays.sort(arr);
+
+    System.out.println(arr[0]);
+    System.out.println(arr[1]);
+}
+
+//task3
+
+public static int expression(int x, int y){
+    return (int) (x*x + Math.pow((4*y/5)-x, 2));
+
+}
+
+}