Day 2 - 16 August, 2024

Program 5: WAP to take user name as input and print a message with his name


import java.util.Scanner;

class P1 {
    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);
        System.out.print("Enter your name: ");

        String naam = scanner.nextLine(); 

        System.out.println("Hello, " + naam + "!");
    }
}

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Expected Output:
Input:
Enter your name: John

Output:
Hello, John!

Program 6: WAP to convert temperature from Centigrade to Fahrenheit


import java.util.*;

class P2 {
    public static void main(String[] args) {

        double c, f;

        Scanner sc = new Scanner(System.in);

        System.out.print("Enter Temperature in Centigrade : ");
        c = sc.nextDouble();

        f = (9 * c) / 5 + 32;

        System.out.print("Temperature in Fahrenheit : " + f);
    }
}

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Expected Output:
Input:
Enter Temperature in Centigrade: 25

Output:
Temperature in Fahrenheit: 77.0

Program 7: WAP to convert temperature from Fahrenheit to Centigrade


import java.util.*;

class P3 {
    public static void main(String[] args) {

        double c, f;

        Scanner sc = new Scanner(System.in);
        System.out.print("Enter Temperature in Fahrenheit : ");
        f = sc.nextDouble();

        c = (f - 32) * 5 / 9;

        System.out.print("Temperature in Centigrade : " + c);
    }
}

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Expected Output:
Input:
Enter Temperature in Fahrenheit: 77

Output:
Temperature in Centigrade: 25.0

Program 8: Use of if statement


import java.util.*;

class P4 {
    public static void main(String[] args) {

        int n;

        Scanner sc = new Scanner(System.in);
        System.out.print("Enter a number : ");
        n = sc.nextInt();

        if (n == 1) {
            System.out.print("Hiii Hardik!!");
        }

        System.out.println("Bye Hardik!!");
    }
}

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Expected Output:
Input:
Enter a number: 1

Output:
Hiii Hardik!!
Bye Hardik!!

Program 9: WAP to find the greatest number in two unequal numbers


import java.util.*;

class P5 {
    public static void main(String[] args) {

        int a, b;

        Scanner sc = new Scanner(System.in);

        System.out.print("Enter the value of a : ");
        a = sc.nextInt();

        System.out.print("Enter the value of b : ");
        b = sc.nextInt();

        if (a > b) {
            System.out.println("a is greater than b.");
        } else {
            System.out.println("b is greater than a.");
        }
    }
}

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Expected Output:
Input:
Enter the value of a: 10
Enter the value of b: 20

Output:
b is greater than a.