char转int，int转char

char转int

1）

char ch = '';
if (Character.isDigit(ch)){  // 判断是否是数字
    int num = Integer.parseInt(String.valueOf(ch));
    System.out.println(num);
}  

2）

char ch = '';
if (Character.isDigit(ch)){  // 判断是否是数字
    int num = (int)ch - (int)('');
    System.out.println(num);
}

int转char

int number = ;
char cNumber= (char) (number+'');
System.out.println("Number "+number+" to char is:"+cNumber);