lessonone.java

package main;

public class LessonOne
{
    @SuppressWarnings("unused")
    public static void main(String [] args) {
        // this code prints out Hello World in console
         //System.out.print("Hello World") ;

         // single line comment
         //Hi

         /* Hi how are you?
          * this is a multi comment
          */
        // Creating a Sting Variable
         //String name = ("Java");
        // This line of code will print "false" because java is case-sensitive.
         //System.out.print(name.equals("java")) ;


          // Creating a Sting Variable
         //String name1 = ("Java");
        // This line of code will print "true" because java is case-sensitive . Both Java and Java are exactly the same
         //System.out.print(name1.equals("Java")) ;



    // Int data types, they

        //int num = 10;
        //int num1 = -5;
        //int num2 =4;

       //  char data type
        //char answer = 'e';


       // primitive data types
        /* int
         * char
         * boolean
         * byte
         * long
         * short
         * double
         * float
         * null
         */
        //byte c= 20;



        //static Typing
        /* The type of variable is checked at
         * compile time. This is known as static typing
         * It has the advantage of catching the errors at compile time rather than at execution time.
         */



        //basic math
        /* notes
         *  + addition
         *  - subtraction
         *  * multiplication
         *  / division
         */
       // int a =20;
        //int b = 10;



        //int result;

        //result = a + b;

        // comparison operations
        /* notes
         * > greater than
         * < less than
         * >= greater or equal to
         * <= less than or equal to
         * == equal to
         * != not equal to
         */

       // int d =20;
        //int e = 10;

       // boolean results;

        //results = e > d;

        // boolean result will be true or false









    }
}