Confirm line separator for Windows and Mac, since the below code is executed in Mac.

PrintLineSeparator.java

package com.test;

public class PrintLineSeparator {
    public static void main(String... args) {
        new PrintLineSeparator().printCrLf();
    }

    private void printCrLf() {
        String crlf = "\r\n";
        String lf = System.getProperty("line.separator");
        System.out.print(String.format("crlf=%4h", crlf));
        printBinary(crlf);
        System.out.print(String.format("  lf=%4h", lf));
        printBinary(lf);
    }

    private void printBinary(String val) {
        char[] chars = val.toCharArray();
        for (int i = 0; i < chars.length; i++) {
            int intVal = (int) chars[i];
            System.out.print(String.format(" %s", Integer.toBinaryString(intVal)));
        }
        System.out.println("");
    }
}