\definecolor{codegray}{rgb}{0.5,0.5,0.5}
\definecolor{codegreen}{rgb}{0.65,0.89,0.18}
\definecolor{codeyellow}{rgb}{0.9,0.86,0.45}
\definecolor{codeblue}{rgb}{0.36,0.76,0.85}
\definecolor{backcolour}{rgb}{0.1,0.1,0.2}

\lstinputlisting[
    language=Java,
    backgroundcolor=\color{backcolour},   
    keywordstyle=\color{codeblue},
    identifierstyle=\color{codegreen},
    stringstyle=\color{codeyellow},
    basicstyle=\footnotesize
        \ttfamily\color{white},
    commentstyle=\color{codegray},
    numberstyle=\tiny\color{codegray},
    numbers=left,
    numbersep=5pt,
    showstringspaces=false,
]{listings/source-code-listings/Test.java}