helloword.java

java程序

package com.dlk.jdt;

import java.util.Calendar;

public class HelloWord {

	/*
	 * @param args
	 */
	public static void main(String[] args) {
		System.out.println("HelloWord");
		System.out.println(getDayOfWeek("19820507"));
	}
    public static String getDayOfWeek(String strYMD){
    	Calendar calendar=Calendar.getInstance();
    	calendar.set(
    			Integer.parseInt(strYMD.substring(0,4)),
    			Integer.parseInt(strYMD.substring(4,6))-1,
    			Integer.parseInt(strYMD.substring(6,8)));
    	int intWeek=calendar.get(Calendar.DAY_OF_WEEK);
    	String strReturn="";
    	switch(intWeek){
    	case Calendar.SUNDAY:
    		strReturn="Sunday";
    		break;
    	case Calendar.MONDAY:
    		strReturn="Monday";
    		break;
    	case Calendar.TUESDAY:
    		strReturn="TUESDAY";
    		break;
    	case Calendar.WEDNESDAY:
    		strReturn="Wednesday";
    		break;
    	case Calendar.THURSDAY:
    		strReturn="Thursday";
    		break;
    	case Calendar.FRIDAY:
    		strReturn="Friday";
    		break;
    	case Calendar.SATURDAY:
    		strReturn="Saturday";
    		break;
    	}
    	return strReturn;
    }
}