You 9:59 (Edited)

Good morning madam

Priya Nair 10:00
Good Morning everyone

Aswathy Ammu 10:00
Good morning madam

sreeji's Notetaker (Otter.ai) 10:03
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Sreeji Krishnan 10:03
good morning all

Amarjith 10:03
Good morning sir/ma'am

Priya Nair 10:08
  • Input: An integer (positive or negative)
  • Output: “Number is positive”, "Number is negative", "Number is zero
"
Paste your code here in the chat window

Visal 10:16
not screenshot. just copy and paste the code

Aswathy Ammu 10:17
public class number {
    public static void main(String[] args) {
        int num = 1;
        if (num > 0) {
            System.out.println("Number is postive");
        } else if (num < 0) {
            System.out.println("Number is negative");
        } else {
            System.out.println("Number is zero");
        }
    }
}

You 10:17
public class DataExample {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        System.out.print("Enter an integer: ");
        int number = scanner.nextInt();
        if (number > 0) {
            System.out.println("Number is positive");
        } else if (number < 0) {
            System.out.println("Number is negative");
        } else {
            System.out.println("Number is zero");
        }
        scanner.close();
    }
}

Priya Nair 10:19
Checking if a number is both positive and even:
Modify that same program

You 10:25
public class EvenExample {
    public static void main(String[] args) {
        int number = 2;
        if (number % 2 == 0) {
            System.out.println("Postive");
        } else {
            System.out.println("Even");
        }
    }
}

Priya Nair 10:26
number is both positive and even:

Aswathy Ammu 10:27
public class number {
    public static void main(String[] args) {
        int num = 2;
        if (num > 0) {
            System.out.println("number is both positive");
        }
        else if (num % 2 == 0) {
            System.out.println("number is not both positive");
        }
    }
}

You 10:28
public class DataExample {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        System.out.print("Enter an integer: ");
        int number = scanner.nextInt();
        if (number > 0) {
            System.out.println("Number is positive and even");
        } else if (number < 0) {
            System.out.println("Number is negative");
        } else {
            System.out.println("Number is zero");
        }
        scanner.close();
    }
}

Priya Nair 10:30
need to check for 2 conditions
if it is positive and then if it is even
try to do it in one conditional statement
using && operator

Aswathy Ammu 10:34
public class number {
    public static void main(String[] args) {
        int num = 8;
        if (num > 0 && num % 2 == 0) {
            System.out.println("Number is positive and even");
        } else if (num > 0 && num % 2 != 0) {
            System.out.println("Number is positive but odd");
        } else if (num < 0) {
            System.out.println("Number is negative");
        } else {
            System.out.println("Number is zero");
        }
    }
}

You 10:36
public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        System.out.print("Enter an integer: ");
        int number = scanner.nextInt();
        if (number > 0 && number % 2 == 0) {
            System.out.println("Number is positive and even");
        } else if (number > 0) {
            System.out.println("Number is positive");
        } else if (number < 0) {
            System.out.println("Number is negative");
        } else {
            System.out.println("Number is zero");
        }
    }

Priya Nair 10:42
import java.util.Scanner;
public class Example {
   
    public static void main(String[] args)
    {  
        Scanner scanner = new Scanner(System.in);
        System.out.print("Enter an integer: ");
        int number = scanner.nextInt();
        if (number > 0 && number % 2 == 0) {
            System.out.println("Number is positive and even");
        } else if (number > 0 && number % 2 != 0) {
            System.out.println("Number is positive but odd");
        } else if (number < 0) {
            System.out.println("Number is negative");
        } else {
            System.out.println("Number is zero");
        }
    }
}
Can you modify your program to compare the greatest of 3 numbers

Priya Nair 10:42
Hope you understood ?

You 10:43
Yes madam, l understand

Aswathy Ammu 10:43
yes madam

Priya Nair 10:43
  • Input:

Input the 1st number: 45
Input the 2nd number: 68
Input the 3rd number: 86
  • Output: “The greatest Number is “ (the greatest number
)

Visal 10:43
please copy this code and modify in it

Aswathy Ammu 10:51
public class Greater {
    public static void main(String[] args) {
        Scanner sr = new Scanner(System.in);
        System.out.println("Input 1st number:");
        int num1 = sr.nextInt();
        System.out.println("Input 2nd number:");
        int num2 = sr.nextInt();
        System.out.println("Input 3rd number:");
       
        int num3 = sr.nextInt();
        int greater;
        if (num1>=num2 && num1>=num3){
            greater =num1;
        } else if (num2>=num1 && num2>=num3){
            greater = num2;
        } else {
            greater = num3;
        }
        System.out.println("The greatest number is: " + greater);
    }
   
}

You 10:53
public static void main(String[] args) {
        int number = 86;
        if (number < 45) {
            System.out.println("The greatest Number then 45");
        } else if (number < 68) {
            System.out.println("The greatest Number then 68");
        } else if (number > 86) {
            System.out.println("The greatest Number then 86");
        } else {
            System.out.println("The greatest then 86");
        }
    }

Priya Nair 10:54
Khayoom
Can you try once more
there are 3 numbers

You 10:55
okay madam

Priya Nair 10:55
you have to compare them to find the greatest
like is num1 greater than num2 and if it is greater than num3 also - in this way
        if (num1 > num2)
            if (num1 > num3)
or
if (num1 > num2 && num1 > num3)

Visal 11:03
Khayoom?

You 11:04
public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        System.out.println("Input the 1st number: ");
        int num1 = sc.nextInt();
        System.out.println("Input the 2nd number: ");
        int num2 = sc.nextInt();
        System.out.println("Input the 3rd number: ");
        int num3 = sc.nextInt();
        int great;
        if (num1 > num2 && num1 > num3) {
            great = num1;
        } else if (num2 > num1 && num2 > num3) {
            great = num2;
        } else {
            great = num3;
        }
        System.out.println("The greatest number is : " + great);
    }

Priya Nair 11:05
Good job both Aswathy and Khayoom

Aswathy Ammu 11:05
Thank you madam..

Priya Nair 11:06
Can I give you 2 more problem with increased complexity, which maybe you can solve and share it with me later

You 11:06
Thank you madam..

Priya Nair 11:06
this is the first one -
  • Input: Student's score (out of 100).
  • Grade slabs:
    • 90–100: A
    • 80–89: B
    • 70–79: C
    • 60–69: D
    • Below 60: F
  • Output: Assigned grade
.
Give a exam score as input
which can be any number between 0 to 100
You have to check that number and assign a grade
based on the grade slabs provided
and then print the grade that the student received as output
Clear?

Aswathy Ammu 11:09
yes madam..

Priya Nair 11:09
Ok

You 11:09
Yes madam

Priya Nair 11:09
Here is the second one -
Write a program to input electricity unit charges and calculate total electricity bill according to the given condition:
For first 50 units Rs. 0.50/unit
For next 100 units Rs. 0.75/unit
For next 100 units Rs. 1.20/unit
For unit above 250 Rs. 1.50/unit
An additional surcharge of 20% is added to the bill
So you have to provide a unit as input to the program
which is the consumption of a house
it could any number between 0 and 1000
and then based on the conditions you need to calculate the charges
For first 50 units Rs. 0.50/unit
For example -
if the unit consumed is 345
then first 50 would be Rs. 0.50/unit
so 345-50= 295
in that 295, next 100 untis would be Rs. 0.75/unit

Priya Nair 11:14
295-100 = 195
in that 195, next 100 units Rs. 1.20/unit
195 - 100 = 95
which would be above 250
and hence should charged at Rs. 1.50/unit
50 * 0.50
100 * 0.75
100 * 1.20 -
(units-250) * 1.50
Also
An additional surcharge of 20% is added to the bill
Whatever charges you get after applying the conditions
calculate 20% of that charge

Priya Nair 11:19
and then add it to the charge
which will be the final bill amount

Priya Nair 11:20
Clear?

You 11:21
l some understand madam

Aswathy Ammu 11:21
I understood

Visal 11:20
Got it Ma'am, We shall explain to them

Priya Nair 11:21
The solution is simple
but understanding the problem is critical

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