package java0907_api; /* * snë³€ìˆ˜ì— ì €ìž¥ëœ ë¬¸ìžì—´ 중ì—ì„œ ìˆ«ìž ê°¯ìˆ˜ë¥¼ ì¶œë ¥í•˜ëŠ” í”„ë¡œê·¸ëž¨ì„ êµ¬í˜„í•˜ì„¸ìš”. * [ì¶œë ¥ê²°ê³¼] * 숫ìžê°¯ìˆ˜:3 */ public class Java145_Wrapper { public static void main(String[] args) { String sn = "korea12 paran3"; // char[] arr = sn.toCharArray(); int cnt = 0; /* * for (int i = 0; i < arr.length; i++) { if (Character.isDigit(arr[i])) { * cnt++; } } */ for (int i = 0; i < sn.length(); i++) { if (Character.isDigit(sn.charAt(i))) { cnt++; } } System.out.println("숫ìžê°¯ìˆ˜:" + cnt); } }