JavaString.startsWith()method checks if a string begins with the specified prefix substring. The argument prefix must be a standard substring and the regular expressions are not supported. ThestartsWith()method is an overloaded method and has two forms: boolean startsWith(substring)– returnstrueif...
String substring(int beginIndex,int endIndex):返回字符串中从下标beginIndex(包括)开始到endIndex(不包括)结束的子字符串 String subString(int beginIndex):返回字符串中从下标beginIndex(包含)开始到字符串结尾的子字符串 packagestringDemo;public classdemo1 {public static voidmain(String[] args) { String str...
String(String s):创建一个新的 String 对象,使其内容为参数 s 中的字符序列。 String(char[] value):创建一个新的 String 对象,使其内容为参数 value 中的字符序列。 String(char[] value, int offset, int count):创建一个新的 String 对象,其内容为取自字符数组参数 value 的一个子序列。offset 参数...
boolean equals(String str) //to check whether two String object contain exactly the same characters in the same order boolean equalsIgnoreCase(String str) boolean startsWith(String str) booean endsWith(String str) boolean contains(String str) String replace(char oldChar, char newChar) String repl...
D)if (s.endsWith("Java")) ... E)if (s.substring(s.length() - 4).equals("Java")) ...9)What is displayed by the following code?public static void main(String[ ] args) throws Exception { String[ ] tokens = "Welcome to Java".split("o"); for (int i = 0; i < tokens....
* 类名首字母小写 作为spring容器beanMap的key */publicstaticStringtransformName(String className){String tmpstr=className.substring(className.lastIndexOf(".")+1);returntmpstr.substring(0,1).toLowerCase()+tmpstr.substring(1);}}
PathMatcher pathMatcher=newAntPathMatcher();//这是我们的请求路径 需要被匹配(理解成匹配controller吧 就很容易理解了)String requestPath="/user/list.htm?username=aaa&departmentid=2&pageNumber=1&pageSize=20";//请求路径//路径匹配模版String patternPath="/user/list.htm**";assertTrue(pathMatcher.match...
(String ip) { ip = ip.trim(); //in many cases such as URLs, IPv6 addresses are wrapped by [] if(ip.substring(0, 1).equals("[") && ip.substring(ip.length()-1).equals("]")) ip = ip.substring(1, ip.length()-1); return(1< Pattern.compile(":").split(ip).length) //...
(String.format("Error parsing the pemKeyFile: %s", e.getMessage())); } } public String reboot() throws IOException { if (netconfSession == null) { throw new IllegalStateException("Cannot execute RPC, you need to " + "establish a connection first."); } return this.netconfSession....
可以用String或StringBuilder对象作为CharSequence参数。 String replace(CharSequence oldString, CharSquence newString) 14、返回一个新字符串。这个字符串包含原始字符串中从beginIndex到串尾或endIndex -1 的所有代码单元。 String substring(int beginIndex) String substring(int beginIndex, int endIndex)...