java中的compareTo()方法

java中的compareto方法，返回参与比较的先后两个字符串的asc码的差值java String a = "a"; String b = "b"; System.out.println(a.compareTo(b));.net 输出值-1 1 2 3 4 5 String a = "b"; String b = "a"; System.out.println(a.compareTo(b));

>>阅读原文<<