String 글자 쪼개서 배열 만들기 : toCharArray

package arrays;

import java.util.Arrays;

public class StringTest02 {
	public static void main(String[] args) {
		
		char[] str= {'a', 'b', 'c', '\0'};
		System.out.println(str);
        
		String str1="abcd";
		char[] str3=str1.toCharArray();
		System.out.println("str3 : "+Arrays.toString(str3));
        
		String str4=new String ("333");
		System.out.println("str4 : "+str4);
	}

}

>>출력

abc
str3 : [a, b, c, d]
str4 : 333