java的split()方法用于字符串中根据指定的字符进行分割,得到的是一个字符串数组 public String[] split(String regex) Splits this string around matches of the given regular expression.split() 方法需要的参数不是一个简单的字符,而是正则表达式 当以"."作为分割符时,不能使用s.split(".") ,而要使用s.split("\\."…
Java String.contains()方法 Java String.contains()方法用法实例教程, 返回true,当且仅当此字符串包含指定的char值序列 描述 java.lang.String.contains() 方法返回true,当且仅当此字符串包含指定的char值序列 声明 以下是声明java.lang.String.contains()方法 public boolean contains(CharSequence s) 参数 s -- This is the sequen…
Java String lastIndexOf() 方法 测试代码 public class Test { public static void main(String[] args) { // -----------012345678901234567890123 String str = "this is index of example"; int index = str.lastIndexOf('s'); System.out.println(index); index = s…
Split is a common function in Java. It split a full string to an array based on delimeter. For example, split "a:b:c" with ":" results in [a, b, c] In some scenario, it's better to keep the delimeter instead of discard it while splitti…
在java doc里有 String[] java.lang.String.split(String regex) Splits this string around matches of the given regular expression. This method works as if by invoking the two-argument split method with the given expression and a limit argument of zero. Tra…
