JAVA 현재 시간 구하기

출처 : http://ra2kstar.tistory.com/123

public class trunc_tweet_tag {

public static void main(String [] args){

long time = System.currentTimeMillis(); 

SimpleDateFormat dayTime = new SimpleDateFormat("yyyy-mm-dd hh:mm:ss");

String str = dayTime.format(new Date(time));

System.out.println(str);

long start = System.currentTimeMillis() ; 

new trunc_tweet_tag("./message/");

long end = System.currentTimeMillis(); 

System.out.println((end-start)/1000 +" 초 걸림");

}

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