JAVA

What is Java?

Java is a popular programming language, created in 1995.

It is owned by Oracle, and more than 3 billion devices run Java.

It is used for:

• Mobile applications (specially Android apps)
• Desktop applications
• Web applications
• Web servers and application servers
• Games
• Database connection
• And much, much more!

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Why Use Java?

• Java works on different platforms (Windows, Mac, Linux, Raspberry Pi, etc.)
• It is one of the most popular programming language in the world
• It is easy to learn and simple to use
• It is open-source and free
• It is secure, fast and powerful
• It has a huge community support (tens of millions of developers)

practice code:

1.Age on other planets👽👾

import java.util.Scanner;

class Age_On_Planets_And_Asteroids {

    public static void main(String[] args) {

        

        Scanner scn = new Scanner(System.in);

        double age=0.0;

        try {

            age = scn.nextDouble();

        } catch (Exception e){

            errorHandler();

        }

        if(age<0){

            negative();

        }else if(age==0){

            zero();

        }

        System.out.println("<=Your age on different planets=>\n--------------------------------\n    Planets       :       Age");

        System.out.println("Earth  :     "+String.format("%.1f",(double)age)+" Years");

        System.out.println(" Mercury : "+String.format("%.2f",(365.26 * age)/87.19)+" Years");

        System.out.println("Venus :     "+String.format("%.2f",(365.26 * age)/224.70)+" Years");

        System.out.println(" Mars : "+String.format("%.2f",(365.26 * age)/686.68)+" Years");

        System.out.println(" Jupiter:  "+String.format("%.2f",(365.26 * age)/4328.98)+" Years");

        System.out.println(" Saturn : "+String.format("%.2f",(365.26 * age)/10760.55)+" Years");

        System.out.println("Uranus: "+String.format("%.2f",(365.26 * age)/30685.49)+" Years");

        System.out.println("Neptune:"+String.format("%.3f",(365.26 * age)/60191.19)+" Years")

 System.out.println("Pluto:"+String.format("%.3f",(365.26 * age)/90799.98)+" Years\n-------\n\n<=Your age on some Asteroids=>\n---");

        System.out.println("Vesta :     "+String.format("%.2f",(365.26 * age)/1325)+" Years");

        System.out.println("Ceres   :     "+String.format("%.2f",(365.26 * age)/1644)+" Years");

        System.out.println("Palla :     "+String.format("%.2f",(365.26 * age)/1686)+" Years\n---\n\n<=Age on some Trans-Neptunian Objects=>\n ------------------------------------");

        System.out.println(" Quaoar:     "+String.format("%.3f",(365.26 * age)/104099.1)+" Years");

        System.out.println(" Eris    :     "+String.format("%.3f",(365.26 * age)/113227.5)+" Years");

        System.out.println("MakeMake      :     "+String.format("%.3f",(365.26 * age)/112898.21)+" Years");

        System.out.println(" Haumea        :     "+String.format("%.3f",(365.26 * age)/136108)+" Years");

        System.out.println(" Sedna   :     "+String.format("%.3f",(365.26 * age)/204545.6)+" Years\n-------------------------------------\n\nThanks for trying.......\nComments your age ;)\n\n#Serena Yv");

    }

    static void errorHandler(){

        System.out.println("So, you wanna crash me huh!\nI'm Smarter than you ;)\nThanks to Mistress Serena.\n\nYou lazy Bone input your age, And try again...\n\n#Serena Yv");

        System.exit(0);

    }

    static void negative(){

System.out.println("You lied again age can't be negative(-)\n\nJust input your real age no cheating.;( \n\n#Serena Yv");

        System.exit(0);

    }

    static void zero(){

        System.out.println("Liar age can't be 0\n\nJust input your real age no cheating. ;( \n\n#Serena Yv");

        System.exit(0);

    }

}

Click here for compiling code