Java 字符串、字符、整型、浮点型、ASCII码之间的相互转换

╰半夏微凉° 2023-07-10 12:38 35阅读 0赞

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));
    	}
    }