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package live.every.day.Programming.String; /** * 题目: * 字符串的调整与替换:将所有的"*"字符挪到左边,数字字符挪到右边。 * * 思路: * 从右向左倒着复制。 * * @author Created by LiveEveryDay */ public class StringAdjustmentAndReplacement2 { public static void modify(char[] a) { if (a == null || a.length == 0) { return; } int j = a.length - 1; for (int i = a.length - 1; i > -1; i--) { if (a[i] != '*') { a[j--] = a[i]; } } while (j > -1) { a[j--] = '*'; } } public static void main(String[] args) { char[] a = {'1', '2', '*', '3', '*', '*', '4', '5'}; modify(a); System.out.printf("The modified character array is: %s", new String(a)); } } // ------ Output ------ /* The modified character array is: ***12345 */