Input Format

The first line of input contains an integer  representing the total number of test cases. Each test case contains a string and an integer separated by a space on a single line in the following format:

UserRole MoneySpend

Constraints



Name contains only lowercase English letters.

Output Format

Based on the user role and budget outputs, output the contents of the certain method. If the amount of money spent is over the budget limit, then output Budget Limit Over.


hackerrank java annotations solution


Java Annotations problem solution | HackerRank

import java.lang.annotation.*;
import java.lang.reflect.*;
import java.util.*;

@Target(ElementType.METHOD)
@Retention(RetentionPolicy.RUNTIME)
@interface FamilyBudget {
    String userRole() default "GUEST";

    int budgetLimit() default 0;
}

class FamilyMember {
    @FamilyBudget(userRole = "SENIOR", budgetLimit = 100)
    public void seniorMember(int budget, int moneySpend) {
        System.out.println("Senior Member");
        System.out.println("Spend: " + moneySpend);
        System.out.println("Budget Left: " + (budget - moneySpend));
    }

    @FamilyBudget(userRole = "JUNIOR", budgetLimit = 50)
    public void juniorUser(int budget, int moneySpend) {
        System.out.println("Junior Member");
        System.out.println("Spend: " + moneySpend);
        System.out.println("Budget Left: " + (budget - moneySpend));
    }
}

public class Solution {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int testCases = Integer.parseInt(in.nextLine());
        while (testCases > 0) {
            String role = in.next();
            int spend = in.nextInt();
            try {
                Class annotatedClass = FamilyMember.class;
                Method[] methods = annotatedClass.getMethods();
                for (Method method : methods) {
                    if (method.isAnnotationPresent(FamilyBudget.class)) {
                        FamilyBudget family = method
                                .getAnnotation(FamilyBudget.class);
                        String userRole = family.userRole();
                        int budgetLimit = family.budgetLimit();
                        if (userRole.equals(role)) {
                            if(spend<=budgetLimit){
                                method.invoke(FamilyMember.class.newInstance(),
                                        budgetLimit, spend);
                            }else{
                                System.out.println("Budget Limit Over");
                            }
                        }
                    }
                }
            } catch (Exception e) {
                e.printStackTrace();
            }
            testCases--;
        }
    }
}