In the example, we add strings withString.concat. Using String.join TheString.joinmethod returns a new atring composed of copies of the CharSequence elements joined together with a copy of the specified delimiter. Main.java void main() { String[] words = { "There", "are", "two", "ow...
AI代码解释 publicclassLinkedBlockingQueueTest{publicstaticvoidmain(String[]args)throws InterruptedException{LinkedBlockingQueue<String>fruitQueue=newLinkedBlockingQueue<>(2);fruitQueue.add("apple");fruitQueue.add("orange");fruitQueue.add("berry");} 当我们执行这个方法的时候,会报下面的异常, 代码语言:ja...
首先贴出以下的代码,简单的使用AtomicInteger这个类来实现+1的操作。 importjava.util.concurrent.atomic.AtomicInteger;publicclassCASTest{publicstaticvoidmain(String[] args){AtomicIntegeratomicInteger=newAtomicInteger(10);for(inti=0; i <10; i ++) {newThread(newRunnable() {@Overridepublicvoidrun(){atomicInt...
将YYYYMMDD格式的日期加上指定的年数/月数/天数/周数。"date_part" 可以是以下值之一:"day"、"month"、"week"、"year" 语法: Java 类:com.hyperion.calcmgr.common.cdf.CalendarFunctions.addDatePart(int,String,int) CDF 规范:@CalcMgrAddDatePart(date,date_part, amountToAdd) ...
//密码比对postAuthenticationChecks.check(user);Object principalToReturn=user;//表示是否强制将Authentication中的principal属性设置为字符串if(forcePrincipalAsString){principalToReturn=user.getUsername();}//构建新的UsernamePasswordAuthenticationTokenreturncreateSuccessAuthentication(principalToReturn,authentication,user...
Integer count=menuService.deleteBatch((String[])idList.toArray()); Map<String, Object> respMap =newHashMap<>(); respMap.put("count", count); 3.原因 Arrays.asList 方法返回的是一个java.util.Arrays.ArrayList内部类实例,该类虽然跟java.util.ArrayList一样继承了java.util.AbstractList,却没有重写...
pattern(type: string) - A regular expression pattern to match token separators. The default is\W+, which matches non-word characters. flags(type: string) - Regular expression flags. The default is an empty string. Allowed values: CANON_EQ, CASE_INSENSITIVE, COMMENTS, DOTALL, LITERAL, MULTILI...
public static void main(String[] args) { //循环次数 int count = 100000000; System.out.println("Collections.addAll()耗时:" + collectionsTest(count) + "ms"); System.out.println("arrays.addAll()耗时:" + arraysTest(count) + "ms"); ...
String smpEurope ="runtimesmpe,1000,rudxxxxxxxxx,16-dec-2023,xxxxxxxxxxxxxxxxxxxx";// Add StreetMap Premium license strings to an array.List<String> extensions =newArrayList<String>();extensions.add(smpNorthAmerica);extensions.add(smpLatinAmerica);extensions.add(smpEurope);// Set the license ...
This is the object that should be added to the container. void setContainerValue(java.io.Serializable pContainerValue) void setModificationType(int pModificationType) This method sets the modification type. void setTargetValue(java.io.Serializable pTargetValue) java.lang.String toString() This...