Java已经作得很是好了, 只要是可识别的字符串, 直接使用length()方法就能够获得字数,不用考虑全角/半角的问题java
测试:测试
@Test public void testStringLen (){ System. out.println( "abc".length()); System. out.println( "咱们的c".length()); System. out.println( "咱们的c冒号" .length()); }
这段代码的输出结果是:code
3字符串
4class
6test