Convert String array to 2D char array.

StringToChar.java

public class StringToChar {
	public static void main(String[] args) {
		String[] strArr = { "HELLO", "WORLD" };
		char[][] char2D = new char[strArr.length][];

		for (int i = 0; i < strArr.length; i++) {
			char2D[i] = strArr[i].toCharArray();
		}

		for (char[] char1D : char2D) {
			for (char c : char1D)
				System.out.print(c + " ");

			System.out.println();
		}
	}
}