\documentclass[a4paper,11pt]{article}

\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}
\usepackage{graphicx}
\usepackage{xcolor}

\renewcommand\familydefault{\sfdefault}
\usepackage{tgheros}
\usepackage[defaultmono]{droidsansmono}

\usepackage{amsmath,amssymb,amsthm,textcomp}
\usepackage{enumerate}
\usepackage{multicol}
\usepackage{tikz}

\usepackage{geometry}
\geometry{left=25mm,right=25mm,%
bindingoffset=0mm, top=20mm,bottom=20mm}


\linespread{1.3}

\newcommand{\linia}{\rule{\linewidth}{0.5pt}}

% custom theorems if needed
\newtheoremstyle{mytheor}
    {1ex}{1ex}{\normalfont}{0pt}{\scshape}{.}{1ex}
    {{\thmname{#1 }}{\thmnumber{#2}}{\thmnote{ (#3)}}}

\theoremstyle{mytheor}
\newtheorem{defi}{Definition}

% my own titles
\makeatletter
\renewcommand{\maketitle}{
\begin{center}
\vspace{2ex}
{\huge \textsc{\@title}}
\vspace{1ex}
\\
\linia\\
\@author \hfill \@date
\vspace{4ex}
\end{center}
}
\makeatother
%%%

% custom footers and headers
\usepackage{fancyhdr}
\pagestyle{fancy}
\lhead{}
\chead{}
\rhead{}
\lfoot{CSC 1109 Lab 3}
\cfoot{}
\rfoot{Page \thepage}
\renewcommand{\headrulewidth}{0pt}
\renewcommand{\footrulewidth}{0pt}
%

% code listing settings
\usepackage{listings}
\lstset{
    language=java,
    basicstyle=\ttfamily\small,
    aboveskip={1.0\baselineskip},
    belowskip={1.0\baselineskip},
    columns=fixed,
    extendedchars=true,
    breaklines=true,
    tabsize=4,
    prebreak=\raisebox{0ex}[0ex][0ex]{\ensuremath{\hookleftarrow}},
    frame=lines,
    showtabs=false,
    showspaces=false,
    showstringspaces=false,
    keywordstyle=\color[rgb]{0.627,0.126,0.941},
    commentstyle=\color[rgb]{0.133,0.545,0.133},
    stringstyle=\color[rgb]{01,0,0},
    numbers=left,
    numberstyle=\small,
    stepnumber=1,
    numbersep=10pt,
    captionpos=t,
    escapeinside={\%*}{*)}
}

%%%----------%%%----------%%%----------%%%----------%%%

\begin{document}

\title{CSC 1109 Lab 3}

\author{Woon Jun Wei, 2200624}

\date{\today}

\maketitle

\section*{Question 1}

\begin{lstlisting}[label={list:first},caption=Question 1 Source Code.]
import java.util.*;

public class loan {
    private double annualInterestRate;
    private int numberOfYears;
    private double loanAmount;
    private java.util.Date loanDate;

    public loan(){
        this.annualInterestRate = 2.5;
        this.numberOfYears = 1;
        this.loanAmount = 1000;
        loanDate = new java.util.Date();
    }
    public loan(double annualInterestRate, int numberOfYears, double loanAmount){
        this.annualInterestRate = annualInterestRate;
        this.numberOfYears = numberOfYears;
        this.loanAmount = loanAmount;
        loanDate = new java.util.Date();
    }

    public double getAnnualInterestRate(){
        return this.annualInterestRate;
    }

    public int getNumberOfYears(){
        return this.numberOfYears;
    }

    public double getLoanAmount(){
        return this.loanAmount;
    }

    public java.util.Date getLoanDate(){
        return this.loanDate;
    }

    public void setAnnualInterestRate(double annualInterestRate){
        this.annualInterestRate = annualInterestRate;
    }

    public void setNumberOfYears(int numberOfYears){
        this.numberOfYears = numberOfYears;
    }

    public void setLoadAmount(double loanAmount){
        this.loanAmount = loanAmount;
    }

    public double getMonthlyPayment(){
        double monthlyInterestRate = annualInterestRate / 1200;
        double monthlyPayment = loanAmount * monthlyInterestRate / (1 - (1 / Math.pow(1 + monthlyInterestRate, numberOfYears * 12)));
        return monthlyPayment;
    }
    public double getTotalPayment(){
        double totalPayment = getMonthlyPayment() * numberOfYears * 12;
        return totalPayment;
    }

    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);

        // Annual Interest
        System.out.print("Enter annual interest rate, for example, 8.25: ");
        double annualInterestRate = sc.nextDouble();

        // Number of years
        System.out.print("Enter number of years as an integer: ");
        int numberOfYears = sc.nextInt();

        // Loan Amount
        System.out.print("Enter loan amount, for example, 120000.95: ");
        double loanAmount = sc.nextDouble();

        // Create a Loan object
        loan loan1 = new loan(annualInterestRate, numberOfYears, loanAmount);

        // Date
        java.util.Date loanDate = loan1.getLoanDate();
        System.out.println("The loan was created on " + loanDate);

        // Monthly payment
        double monthlyPayment = loan1.getMonthlyPayment();
        System.out.printf("The monthly payment is %.2f\n", monthlyPayment);

        // Total Payment
        double totalPayment = loan1.getTotalPayment();
        System.out.printf("The total payment is %.2f", totalPayment);

    }
}
\end{lstlisting}

\begin{lstlisting}[label={list:first_output},caption=Question 1 Output.]
Enter annual interest rate, for example, 8.25: 2.5
Enter number of years as an integer: 5
Enter loan amount, for example, 120000.95: 1000
The loan was created on Mon Jan 09 15:31:09 SGT 2023
The monthly payment is 17.75
The total payment is 1064.84
\end{lstlisting}

\end{document}