charAt() equals() replaceAll() Character Scanner() indexOf()
char String.charAt(int index)
返回字符串第index+1个字符
boolean String.equals(Object anObject)
对比两个字符串,相等返回true,否则返回false
String String.replaceAll(String regex,
String replacement
原创
2015-07-24 10:45:35 ·
298 阅读 ·
0 评论