public class StrCharExample {
	public StrCharExample(){
		String msg = "SpringBreak#1";

		// Access characters of string one at a time via charAt()
		// length() returns number of characters 
		for (int i=0; i<msg.length(); i++) {
			System.out.println(msg.charAt(i));
		}
		System.out.println();

		// Get all characters and place them into an array
		char[] allChar = msg.toCharArray();
		for (int i=0; i<allChar.length; i++) {
			System.out.print(allChar[i] + "  ");
		}
		System.out.println("\n");

		// Convert back to String
		String strOne = new String(allChar);
		System.out.println(strOne);

		// Alternative for converting back to String
		String strTwo = "";  // empty string not the same as " "
		for (int i=0; i<allChar.length; i++) {
			strTwo += allChar[i];
		}
		System.out.println(strTwo);

		// Modify string
		for (int i=0; i<allChar.length; i++) {
			if (allChar[i] == '1') {
				allChar[i] = '2';
			}
		}
		System.out.println(new String(allChar));

		// Convert one character to String
		System.out.println(String.valueOf(allChar[0])); 
	}

	public static void main(String[] args) {
		new StrCharExample();
	}
}