Lab_03_Work

Question5

package lab_03_Assignment_Work;

import java.util.Scanner;

public class Ques5 {
    public static void main(String[] args) {
        int date;
        int month;
        int year;
        int r = 0;
        int m = 0;
        int y = 0;
        String s = "" ;
        Scanner k = new Scanner(System.in);
        System.out.print("date: ");
        date = k.nextInt();
        System.out.print("month: ");
        month = k.nextInt();
        System.out.print("year: ");
        year = k.nextInt();
        if(month == 1){m = 0;
        s = "January ";
        }
        else if(month == 2){m = 3;
        s = "February ";
        }
        else if(month == 3){m = 3;
        s = "March ";
        }
        else if(month == 4){m = 6;
        s = "April ";
        }
        else if(month == 5){m = 1;
        s = "May ";
        }
        else if(month == 6){m = 4;
        s = "June ";
        }
        else if(month == 7){m = 6;
        s = "July ";
        }
        else if(month == 8){m = 2;
        s = "August ";
        }
        else if(month == 9){m = 5;
        s = "September ";
        }
        else if(month == 10){m = 0;
        s = "October ";
        }
        else if(month == 11){m = 3;
        s = "November ";
        }
        else if(month == 12){m = 5;
        s = "December ";
        }
        if (1600 <= year && year >= 1699){y=6;}
        else if(1700 <= year && year >= 1799){y=4;}
        else if(1800 <= year && year >= 1899){y=2;}
        else if(1900 <= year && year >= 1999){y=0;}
        else if (2000 <= year && year >= 2099){y=6;}
        int re = year%100;
        r = re + (int)((re)/4) + date + m +y ;
        if (r>=7){
            r = r%7;
        }
        if (year%100 == 0){
            if (year%400 == 0 && (month == 1 || month == 2)){
                r = r - 1;
            }
        }
        else{
            if (year%4 == 0 && (month == 1 || m == 2)){
                r = r - 1;
            }
        }
        switch (r){
            case 1:
                System.out.println(date+"th "+ s + year + " was a Monday!");
                break;
            case 2:
                System.out.println(date+"th "+ s + year + " was a Tuesday!");
                break;
            case 3:
                System.out.println(date+"th "+ s + year + " was a Wednesday!");
                break;
            case 4:
                System.out.println(date+"th "+ s + year + " was a Thursday!");
                break;
            case 5:
                System.out.println(date+"th "+ s + year + " was a Friday!");
                break;
            case 6:
                System.out.println(date+"th "+ s + year + " was a Saturday!");
                break;
            case 0:
                System.out.println(date+"th "+ s + year + " was a Sunday!");
                break;
        }

    }
}


Question1

package lab_03_Assignment_Work;

import java.util.Scanner;

public class Ques1 {
    public static void main(String[] args) {
        double s = 0.0;
        int n;
        Scanner scan = new Scanner(System.in);
        n = scan.nextInt();
        for (int i = 1; i <= n ; i++) {
            s = s + (1.0/i);
        }
        System.out.println( s );

    }
}


Question2

package lab_03_Assignment_Work;

import java.util.Scanner;

public class Ques2 {
    public static void main(String[] args) {
        double no;
        double paise = 0.0;
        int rupee;
        Scanner k = new Scanner(System.in);
        no = k.nextDouble();
        rupee = (int)no;
        paise = 100*(no - rupee);
        System.out.println(rupee+" Rupees and "+(int)paise+" Paise");


    }
}


Question3

package lab_03_Assignment_Work;

import java.util.Scanner;

public class Ques3 {
    public static void main(String[] args) {
        double fahrenheit;
        double celcius;
        Scanner k = new Scanner(System.in);
        fahrenheit = k.nextDouble();
        celcius = (fahrenheit-32)/1.8;
        System.out.printf("%5.6f%n",celcius);
    }
}


pattern printing nhi ki h maine