Source: http://stackoverflow.com/questions/4679746/time-complexity-of-javas-substring http://stackoverflow.com/questions/16123446/java-7-string-substring-complexity ...
System.out.println(s1.substring(2)); //from 2nd index to last System.out.println(s1.substring(0, 1)); System.out.println(s1.substring(2,4)); //from 2nd index to 4th index ...
原创 最新推荐文章于 2026-04-18 12:09:34 发布 · 1w 阅读 本文详细介绍了Java中StringBuffer类的截取方法,包括单参数的substring(int start)和双参数的substring(int start, int end),并展示了如何使用这些方法从 ...