Here you can find the source of lookupMonthStr(int month)
public static String lookupMonthStr(int month)
//package com.java2s; public class Main { public static final String[] MONTHS_STR = new String[] { "JAN", "FEB", "MAR", "APR", "MAY", "JUN", "JUL", "AUG", "SEP", "OCT", "NOV", "DEC" }; public static String lookupMonthStr(int month) { return (month < 0 || month > MONTHS_STR.length) ? null : MONTHS_STR[month]; }/*from w w w.j a va 2s.co m*/ }