new lessons

Lesson 01 - الدرس/JavaProject/JavaProject.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+ <component name="NewModuleRootManager" inherit-compiler-output="true">
+ <exclude-output />
+ <content url="file:https://$MODULE_DIR$">
+ <sourceFolder url="file:https://$MODULE_DIR$/src" isTestSource="false" />
+ </content>
+ <orderEntry type="inheritedJdk" />
+ <orderEntry type="sourceFolder" forTests="false" />
+ </component>
+</module>

Lesson 01 - الدرس/JavaProject/src/App.java

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+public class App {
+ public static void main(String[] args) {
+ System.out.println("برنامج يعمل");
+ }
+}

Lesson 01 - الدرس/JavaProject/src/App2.java

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+public class App2 {
+}

Lesson 01 - الدرس/app.java

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-class App{
+/**
+ * App
+ */
+public class App {
+
  public static void main(String[] args) {
- System.out.println("كودر شيار");
+ System.out.println("برنامج يعمل");
  }
 }

Lesson 02 - الدرس/App.java

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+/**
+ * App
+ */
+public class App {
+
+ public static void main(String[] args) {
+ System.out.println("برنامج يعمل");
+ }
+}

Lesson 03 - الدرس/App.java

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+//---------------------------------------------------------------------------------------------------------
+//Coder Shiyar : Java Comments
+//---------------------------------------------------------------------------------------------------------
+// Multi-line comments start with /* and ends with */ تبدأ التعليقات متعددة الأسطر بـ / * وتنتهي بـ 
+// Any text between /* and */ will be ignored by Java. سيتم تجاهل أي نص بين / * و * / بواسطة جافا
+// Single-line comments start with two forward slashes (//)تبدأ التعليقات أحادية السطر بشرطتين مائلتين للأمام 
+// Any text between // and the end of the line is ignored by Java (will not be executed).
+// يتم تجاهل أي نص بين // ونهاية السطر بواسطة جافا (لن يتم تنفيذه)
+
+public class App {
+
+public static void main(String[] args) {
+ // لطبع النص تعلم جافا
+ // System.out.println("Learn Java"); 
+ System.out.println("Learn Java"); 
+/* 
+
+تعلم جافا مع كودر شيار 
+
+*/
+
+ }
+}
+

Lesson 04 - الدرس/App.java

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+public class App {
+
+public static void main(String[] args) {
+// String 
+// int 
+String text = "Learn Java In Arabic";
+int number = 100;
+
+System.out.println(text);
+System.out.println(number+20);
+ }
+}
+
+// القسم اول : طريقة انشاء متغيرات في جافا
+//------------------------------------------------------------------
+// type variableName = value;
+// النوع الاسم_المتغير = القيمة
+//------------------------------------------------------------------
+// القسم الثاني : شرح انواع البيانات الذي يمكنك تخزينها في جافا
+//------------------------------------------------------------------
+// القسم الثالث :شرح للقوانين انشاء اسماء متغيرات في جافا 
+
+// Part 1: How to create variables in Java 
+//------------------------------------------------ ------------------
+// type variableName = value;
+//------------------------------------------------ ------------------
+// Part 2: Explain the types of data that you can store in Java
+//------------------------------------------------ ------------------
+// Part 3: An explanation of the rules for creating variable names in Java

Lesson 05 - الدرس/App.java

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+
+public class App {
+
+public static void main(String[] args) {
+
+ }
+}
+
+// القسم الثاني : شرح انواع البيانات الذي يمكنك تخزينها في جافا
+//------------------------------------------------------------------
+// Part 2: Explain the types of data that you can store in Java
+//------------------------------------------------ ------------------
+// byte 1 byte Stores whole numbers from -128 to 127 2*2*2*2*2*2*2
+// short 2 bytes Stores whole numbers from -32,768 to 32,767
+// int 4 bytes Stores whole numbers from -2,147,483,648 to 2,147,483,647
+// long 8 bytes Stores whole numbers from -9,223,372,036,854,775,808 to 9,223,372,036,854,775,807
+// float 4 bytes Stores fractional numbers. Sufficient for storing 6 to 7 decimal digits
+// double 8 bytes Stores fractional numbers. Sufficient for storing 15 decimal digits
+// boolean 1 bit Stores true or false values
+// char 2 bytes Stores a single character/letter or ASCII values
+
+// Primitive types are predefined (already defined) in Java. Non-primitive types are created by the programmer
+// and is not defined by Java (except for String). Non-primitive types can be used to call methods to perform certain operations, while primitive types cannot.
+// A primitive type has always a value, while non-primitive types can be null.
+// A primitive type starts with a lowercase letter, while non-primitive types starts with an uppercase letter.
+// The size of a primitive type depends on the data type, while non-primitive types have all the same size.
+
+// القسم اول : طريقة انشاء متغيرات في جافا
+//------------------------------------------------------------------
+// القسم الثالث :شرح للقوانين انشاء اسماء متغيرات في جافا 
+//------------------------------------------------------------------
+
+// Part 1: How to create variables in Java 
+//------------------------------------------------ ------------------
+// Part 3: An explanation of the rules for creating variable names in Java
+

Lesson 06 - الدرس/App.java

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+
+public class App {
+
+public static void main(String[] args) {
+
+short short_number = 130;
+short_number = 140;
+System.out.println(short_number);
+
+float float_number = 1206548.5f;
+System.out.println(float_number);
+
+double double_number = 1236341.5;
+System.out.println(double_number);
+
+boolean isDeviceWorking = true;
+System.out.println(isDeviceWorking);
+
+char character = 0X3F;
+System.out.println(character);
+
+String text = "I learn Java \t with Coder Shiyar";
+System.out.println(text);
+
+ }
+}
+
+// القسم الثاني : شرح انواع البيانات الذي يمكنك تخزينها في جافا
+//------------------------------------------------------------------
+// Part 2: Explain the types of data that you can store in Java
+//------------------------------------------------ ------------------
+// byte 1 byte Stores whole numbers from -128 to 127 2*2*2*2*2*2*2
+// short 2 bytes Stores whole numbers from -32,768 to 32,767
+// int 4 bytes Stores whole numbers from -2,147,483,648 to 2,147,483,647
+// long 8 bytes Stores whole numbers from -9,223,372,036,854,775,808 to 9,223,372,036,854,775,807
+
+// float 4 bytes Stores fractional numbers. Sufficient for storing 6 to 7 decimal digits
+// double 8 bytes Stores fractional numbers. Sufficient for storing 15 decimal digits
+
+// boolean 1 bit Stores true or false values
+// char 2 bytes Stores a single character/letter or ASCII values
+
+// Primitive types are predefined (already defined) in Java. Non-primitive types are created by the programmer
+// and is not defined by Java (except for String). Non-primitive types can be used to call methods to perform certain operations, while primitive types cannot.
+// A primitive type has always a value, while non-primitive types can be null.
+// A primitive type starts with a lowercase letter, while non-primitive types starts with an uppercase letter.
+// The size of a primitive type depends on the data type, while non-primitive types have all the same size.
+
+// القسم اول : طريقة انشاء متغيرات في جافا
+//------------------------------------------------------------------
+// القسم الثالث :شرح للقوانين انشاء اسماء متغيرات في جافا 
+//------------------------------------------------------------------
+
+// Part 1: How to create variables in Java 
+//------------------------------------------------ ------------------
+// Part 3: An explanation of the rules for creating variable names in Java
+

Lesson 07 - الدرس/App.java

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+public class App {
+
+public static void main(String[] args) {
+ // rule 1 
+ String text = "Learn Java in Arabic";
+ // rule 4
+ String texT = "تعلم جافا مع كودر شيار";
+ // rule 5
+ boolean IsWorking = true;
+ System.out.println(texT);
+ }
+}
+
+// القسم الثالث :شرح للقوانين انشاء اسماء متغيرات في جافا 
+// القواعد العامة لتسمية المتغيرات هي:
+// ------------------------------------------------ -------------------------
+// يمكن أن تحتوي الأسماء على أحرف وأرقام وشرطات سفلية وعلامات الدولار 
+// _ يجب أن تبدأ الأسماء بحرف او بـ $ أو 
+// ينصح أن تبدأ الأسماء بحرف صغير ولا يمكن أن تحتوي على مسافة 
+// الأسماء حساسة لحالة الأحرف هناك فرق بين احرف كبيرة وصغيرة
+// لا يمكن استخدام الكلمات المحجوزة كأسماء
+
+// Part 3: An explanation of the rules for creating variable names in Java
+//--------------------------------------------------------------------------
+// The general rules for naming variables are:
+//------------------------------------------------------------------------
+// Names can contain letters, digits, underscores, and dollar signs
+// Names must begin with a letter also with $ or _
+// Names should start with a lowercase letter and it cannot contain whitespace
+// Names are case sensitive ("myVar" and "myvar" are different variables)
+// Reserved words (like Java keywords, such as int or boolean) cannot be used as names
+
+
+// List of Reserved Java Keywords - قائمة لبعض اسماء محجوزة في جافا
+//------------------------------------------------------------------------
+// abstract assert boolean break byte case
+// catch char class const continue default
+// double do else enum extends false
+// final finally float for goto if
+// implements import instanceof int interface long
+// native new null package private protected
+// public return short static strictfp super
+// switch synchronized this throw throws transient
+// true try void volatile while 

Lesson 58 - الدرس/app.java

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+// 1: Scanner 
+// 2: Boolean datatype - if statment
+// 3: String equals()
+// 4: int + Strings 
+// 5: if without {}
+import java.util.Scanner;
+public class app {
+ public static void main(String[] args) {
+ if(false)
+ System.out.println("True");
+
+ else{
+ System.out.println("false");
+ }
+
+
+
+ System.out.println(2+0+2+6 + " Year " );
+
+ // String text = "Java";
+ // if(text.equals("Java") ){
+ // System.out.println("Correct");
+ // }
+ // boolean isRunning = false;
+ // if(isRunning){
+ // System.out.println("Yes it is working");
+ // }
+
+ // Scanner input = new Scanner(System.in);
+ // System.out.println("Age: ");
+ // int age = input.nextInt();
+ // input.nextLine();
+ // System.out.println("number: ");
+ // int number = input.nextInt();
+ // input.nextLine();
+
+ // System.out.println("Name: ");
+ // String name = input.nextLine();
+
+
+
+ // System.out.println("Name: " + name + " Age:" + age);
+ }
+}