test.java

有关java编程的课件及附上有关的源代码

package SG7;

class Test {
    public static void main(String[] args) {

        char arr[] = args[0].toCharArray();
        int upCase = 0, lowerCase = 0, num = 0, other = 0;
        for (int i = 0; i < arr.length; i++) {
            if (Character.isUpperCase(arr[i]))
                upCase++;
            else if (Character.isLowerCase(arr[i]))
                lowerCase++;
            else if (Character.isDigit(arr[i]))
                num++;
            else
                other++;
        }
        System.out.println("upCase=" + upCase);
        System.out.println("lowerCase=" + lowerCase);
        System.out.println("num=" + num);
        System.out.println("other=" + other);

    }
}