public static String[] getPuglsPara(String typeName) { StringUtil.checkNullException(typeName, "对象类名称不能为空"); String[] paths = typeName.split("\\."); if (paths.length < 6) { BusinessException.of("getPuglsPara-01", "包名命名不符合规范,第5段必须是插件id!"); } String[] paras = new String[] { String.join("/", "", paths[3], paths[4]), String.join("/", paths[5]), String.join("/", "", paths[3], paths[4], paths[5]) }; return paras; }
public class test { public static void main(String[] args) { &...
java限制1个方法同一时间只能被一个线程访问public synchronized void setOrderPay(){ }加上synchronized 修饰符即可...
System.out.println("当前时间戳(秒): " + System.currentTimeMillis()/1000); System.out.println("当前时间戳(毫秒): " +&nb...
pattern表示正则表达式,接收正则表达式作为参数例子:String content = "my name is gaojiufeng"; String pattern = "....
(4).java lookingAt匹配字符串和java matches匹配字符串lookingAt不要求整个字符串全匹配,例如me和me_you都是匹配的,但是lookingAt从第一个字符串开始匹配,匹配失败了也不会继续匹配,意味着me和you_me是无法匹配的matches匹配字符串要求全部匹...
(7).java方法重载一个类的两个方法拥有相同的名字,但是有不同的参数列表,叫做方法重载,例如public static int sum(int a, int b) { retur...