문자열을 분할하고 연결하는 Java 프로그램

public class Demo{ public static void main(String args[]){ String my_str = "This_is_a_sample"; String[] split_str = my_str.split("_", 4); System.out.println("The split string is:"); for (String every_Str : split_str) System.out.println(every_Str); String joined_str = String.join("_", "This", "is", "a", "sample"); System.out.println("The joined string is:"); System.out.println(joined_str); } }

The split string is: This is a sample The joined string is: This_is_a_sample