자바의 신 - 조건

public class InterestManager {

	public static void main(String[] args) {
		InterestManager sample=new InterestManager();
//		for(int day=1;day<=365;day++) {
//			double amount=sample.calculateAmount(day, 1000000);
//			System.out.print(day+":"+amount+" ");
//			if(day%20==0) System.out.println();
//		}
		
		for(int day=10;day<=370;day+=10) {
			double amount=sample.calculateAmount(day, 1000000);
			System.out.println(day+":"+amount+" ");
		}
	}
	public double getInterestRate(int day) {
		double interest;
		if(day<=90) {
			interest=0.5;
		} else if(day>90 && day <=180) {
			interest=1;
		} else if(day>180 && day< 365) {
			interest=2;
		} else {
			interest=5.6;
		}
		return interest;
	}
	public double calculateAmount(int day, long amount) {
		double totalAmount;
		double interest=getInterestRate(day);
		double interestAmount=amount * interest / 100.0;
		totalAmount=amount+interestAmount;
		return totalAmount;
	}
}