Java Tutorial For Beginners 10 - switch Statement in Java

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[sharmila]

Tried a calculator. Thanks for d videos.. i m a beginner and ur videos are loads of help. Thanks again.
import java.util.Scanner;
public class calculator {
public static void main(String[] args) {
// TODO Auto-generated method stub


System.out.println("+, -, *, /, %");


Scanner calc1= new Scanner(System.in);
System.out.println("x = ");
double first_number = calc1.nextDouble();

Scanner calc2= new Scanner(System.in);
System.out.println("y = ");
double second_number = calc2.nextDouble();

Scanner calc3 = new Scanner(System.in);
System.out.println("enter operator");
String total = calc3.nextLine();


switch (total){

case "+":
+ second_number);
break;

case "-":

- second_number);
break;

case "*":

* second_number);
break;

case "/":

/ second_number);
break;

case "%":

% second_number);
break;
}

}

}

[hei]

Really helpful videos!I speedrun these few starter videos cause i know C iam waiting for the good stuff !

[chaitanyateja]

AS A BEGINNER IT WAS SO DIFFICULT TO READ TEXT BOOK...YOU MADE MY LIFE EASY

[TheSalads]

Hmm but can you make a case for example between 80 and 100 ? Supposing either the score will be 84/87/89 etc the output will be the same ?

[SRIJANSINGHRA]

// thanks for these videos brother
// very helpful for begginers
the

[KOTHAABHISHEK]

can we use a condition in switch case? like

switch(i){
case i>85 : System.out.println("A grade");
break;
case i>65 : System.out.println("b grade");
break;
case i>55 : System.out.println("c grade");
break;
case i>36: System.out.println("d grade");
break;
default : System.out.println("fail");

}

[soladonga]

Hi there!
I like your tutorial, would you mind helping me in some of the problem solving in java

[mikloskiraly]

My only question: did you change that battery in the smoke/CO2 sensor that was beeping in the background? :D

[jonaseriksson]

I like your tutorials. im not very good at english im from sweden :P we have java tutorials on swedish but i like your tutorials better! Keep it up! (Y)

[aravindbasmi]

I like your videos very much. Could you please do a program with entering the value of score as used before in Scanner scan and i need the video with more explanation of Scanner scan. Thank you very much.

[ruzainpatel]

Correction 1:34
The expression can be a *String* as well.

[WockkyyySlush]

you good sir should make your way to the nearest hardware store and acquire batteries for your smoke detector
cheerio!

[mohamadakkad]

Deine Sicherheitsalarm hat geringen Akku :-)

[gavincoffield]

u need to change the batteries in your smoke detector

[-phamquangat]

Learn English and Java Basic -> Java master, all is free 10/10 ♥

[adityapandey-pewo]

Can u give a range of possible outcomes in a single case... for eg. if u want to S.O.P Very good for any number between 90-100.
So what basically can u put condition in every case so that u could reduce the number of cases ?

[devoiddude]

Is switch good to use if you have multiple in variables?

[haikusage]

Would creating separate packages for each lessons break anything?

[sitiaisyaibrahim]

can we use > or < in switch case... for example :
case > 90:
System.out.println("Very Good");
break;

[azverndias]

Brake...not this one but this one...break! XD