java lesson

lesson37/java/App/.vscode/launch.json

@@ -0,0 +1,11 @@
+{
+ "configurations": [
+ {
+ "type": "java",
+ "name": "CodeLens (Launch) - App1",
+ "request": "launch",
+ "mainClass": "App1",
+ "projectName": "App_8dae3a26"
+ }
+ ]
+}

lesson37/java/App/App/app1.java

@@ -0,0 +1,7 @@
+package App;
+
+class App1{
+ public static void main(String[] args) {
+
+ }
+}

lesson38/java/.vscode/launch.json

@@ -0,0 +1,11 @@
+{
+ "configurations": [
+ {
+ "type": "java",
+ "name": "CodeLens (Launch) - App1",
+ "request": "launch",
+ "mainClass": "package1.App1",
+ "projectName": "java_c87954b4"
+ }
+ ]
+}

lesson38/java/package1/App1.java

@@ -0,0 +1,11 @@
+package package1;
+
+import package2.App2;
+
+class App1{
+ public static void main(String[] args) {
+ App2 data = new App2();
+ data.read_message();
+ System.out.print(data.name);
+ }
+}

lesson38/java/package2/App2.java

@@ -0,0 +1,10 @@
+package package2;
+
+ public class App2{
+ public String name = "Coder Shiyar";
+
+ public void read_message(){
+ System.out.print("You can access the class App2 now ");
+ }
+}
+

lesson39/package1/.vscode/launch.json

@@ -0,0 +1,11 @@
+{
+ "configurations": [
+ {
+ "type": "java",
+ "name": "CodeLens (Launch) - App1",
+ "request": "launch",
+ "mainClass": "package1.App1",
+ "projectName": "package1_f1ba6ba6"
+ }
+ ]
+}

lesson39/package1/package1/App1.java

@@ -0,0 +1,10 @@
+package package1;
+
+class App1 extends App3{
+
+ public static void main(String[] args) {
+ App1 app = new App1();
+ app.display_message();
+ System.out.println(app.name);
+ }
+}

lesson39/package1/package1/App2.java

@@ -0,0 +1,6 @@
+package package1;
+
+public class App2 extends App3 {
+String city = "Kobani";
+
+}

lesson39/package1/package1/App3.java

@@ -0,0 +1,10 @@
+package package1;
+
+public class App3 {
+
+ String name = "Coder Shiyar";
+
+ public void display_message(){
+ System.out.println("I am a method from the class App2 ");
+ }
+}

lesson40/java/.vscode/launch.json

@@ -0,0 +1,11 @@
+{
+ "configurations": [
+ {
+ "type": "java",
+ "name": "CodeLens (Launch) - Admin",
+ "request": "launch",
+ "mainClass": "Admin",
+ "projectName": "java_c87954b4"
+ }
+ ]
+}

lesson40/java/Admin.java

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+
+public class Admin extends User{
+ // SubClass 
+ // SuperClass
+
+ String name = "ROOT_ADMIN";
+
+ public void getName(){
+ System.out.println(super.name);
+ }
+
+ public void getValue() {
+ super.getName();
+ }
+public static void main(String[] args) {
+ Admin admin = new Admin();
+ admin.getName();
+ admin.getValue();
+
+}
+}

lesson40/java/User.java

@@ -0,0 +1,8 @@
+public class User{
+ String name = "ROOT_USER";
+
+ public void getName(){
+ System.out.println("Method from User");
+ }
+
+}