FRQ 1

Double number = 53466;
    Double firstDigit = Double.parseInt(Double.toString(number).substring(2, 4));
    System.out.prDouble(firstDigit);

46

Double year = 1911.0;
Double century = Double.parseDouble(Double.toString(year).substring(0, 2));
System.out.println(C);

Double year2 = Double.parseDouble(Double.toString(year).substring(2, 4));
year2 = year2 - 1;
System.out.println(year2);
Double dayofweek = (1 + ((2.6*11)-0.2)-(2 * century) + year2 + (year2/4) + (century/4)) % 7;
System.out.print(dayofweek)

19.0
10.0
1.6500000000000021

import java.util.Calendar;  
public class main {  
    public static void main(String[] args) { 
        int year = 2019; 
        Calendar calobj = Calendar.getInstance();    
                  
                calobj.add(Calendar.YEAR, year);  
                 calobj.add(Calendar.MONTH, 1);  
                  calobj.add(Calendar.DAY_OF_WEEK, 1);  
                    
                  System.out.println(calobj.getFirstDayOfWeek());  
    }  
}  
main.main(null);

1

import java.util.Calendar;  
public class JavaCalendargetFirstDayOfWeekExample1 {  
    public static void main(String[] args) {  
        Calendar calenobj = Calendar.getInstance();     
        calenobj.add(Calendar.YEAR, 2021);  
        calenobj.add(Calendar.MONTH, 1);  
        calenobj.add(Calendar.DAY_OF_WEEK, 1);  
        // Map<String, String> days2 = new HashMap<String, String>();
        Map<String, Integer> map = new HashMap<String, Integer>(){{
            put("Sun",0);
            put("Mon",1);
            put("Tue",2);
            put("Wed",3);
            put("Thu",4);
            put("Fri",5);
            put("Sat",6);        
        }};
        String day = (calenobj.getTime()).toString();
        System.out.println(day);
        String days = day.substring(0,3);
        System.out.println(map.get(days));
    }  
}  
JavaCalendargetFirstDayOfWeekExample1.main(null);

Fri Dec 18 10:45:58 PST 4043
5

Map<String, String> days = new HashMap<String, String>();
Map<String, String> days = Map.of("Sun", "0", "Mon", "1", "Tue", "2","Wed","3","Thu","4","Fri","5","Sat","6");

System.out.println(map.get("dog"));

Double cg = 93.0;
Double tp = 30.0;
Double tg = 90.0;
Double tpt = 100.0;
Double fp = 50.0;
Double dg = 90.0;



Double otherPoint = cg - (tg*(tp/100));
Double needed = (((dg - otherPoint) * (tpt+fp))/tp)-tg;
System.out.print(needed);

30.0