public class CharToAscii {

	public static void main(String[] args) {

		CharToAscii.AscToString();

		CharToAscii.StringToAsc();

		char a = '0';

		int b = 22307;

		//char类型参与四则运算的时候是转化成asciii码的, 字符‘0’的ascii码为48，要转换成int型，只需要（‘0’-48）即可

		System.out.println(a-48);

		System.out.println((int)a); //将char型强行转制为int型得到的是Ascii码

		System.out.println((char)b);//将int型强行转制为char型得到的是字符

	}

	public static void AscToString() {  //ASCII转换为字符串

		String s = "22307 35806 24555 20048";

		String[]  chars = s.split(" ");

		for (int i = 0; i < chars.length; i++){

			System.out.println(chars[i] + " " + (char)Integer.parseInt(chars[i]));

		}

	}

	public static void StringToAsc() { //字符串转换为ASCII码

		String s = "新年快乐！";

		char[] chars = s.toCharArray();

		for (int i = 0; i < chars.length; i++){

			System.out.println(" " + chars[i] + " " + (int)chars[i] );

		}

	}

}