Java 字符串、字符、整型、浮点型、ASCII码之间的相互转换

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public class TypeChange {

	//字符串、字符、整型、浮点型、ASCII码
	
	//字符串转字符数组
	public static char[] StringToChar(String str) {
		return str.toCharArray();
	}
	
	//字符数组转字符串
	public static String CharToString(char c[]) {
		String str = "";
		for(int i=0; i<c.length; i++) {
			str += c[i];
		}
		return str;
//		return String.valueOf(c);
	}
	
	//字符串转整型
	public static int StringToInt(String str) {
		return Integer.parseInt(str);
	}
	
	//整型转字符串
	public static String IntToString(int k) {
		return String.valueOf(k);
	}
	
	//字符串转浮点型
	public static double StringToDouble(String str) {
		return Double.parseDouble(str);
	}
	
	//浮点型转字符串
	public static String DoubleToString(double k) {
		return String.valueOf(k);
	}
	
	//字符转ASCII码
	public static int CharToASCII(char c) {
		return (int)c;
	}
	
	//ASCII转字符
	public static char ASCIIToChar(int k) {
		return (char)k;
	}
	
	//整型转浮点型
	public static double IntToDouble(int k) {
		return (double)k;
	}
	
	
	public static void main(String[] args) {
		// TODO Auto-generated method stub

		char[] c = {'1','d','&'};
		System.out.println(IntToDouble(12));
	}
}