Example 1: Java String join() With CharSequence() classMain{publicstaticvoidmain(String[] args){ String result; result = String.join("-","Java","is","fun"); System.out.println(result);// Java-is-fun} } Run Code Here, we have passed three stringsJava,isandfunto thejoin()method. ...
函数:Join() 功能:使用选择的分隔符将一个数组合并为一个字符串,这是JavaScript里面提供的方法,在.NET里面也有类似的String.Join方法,可以在指定String数组的每个元素之间串联指定的分隔符 String,从而产生单个串联的字符串,因为大多数遇到的问题就是针对String数组的,所以也勉强够用了。可是Java里面没有这样的方法,这...
❮ String Methods ExampleGet your own Java Server Join strings with a space between them: String fruits = String.join(" ", "Orange", "Apple", "Mango"); System.out.println(fruits); Try it Yourself » Definition and UsageThe join() method joins one or more strings with a specified ...
Added in 1.8. Java documentation forjava.lang.String.join(java.lang.CharSequence, java.lang.Iterable<? extends java.lang.CharSequence>). Portions of this page are modifications based on work created and shared by theAndroid Open Source Projectand used according to terms described in theCreative ...
publicclassJoinExample{publicstaticvoidmain(String[]args)throwsInterruptedException{Threadthread=newThread(newMyRunnable());thread.start();thread.join();// 等待线程执行完毕System.out.println("All threads have finished.");}} 1. 2. 3. 4.
// main method public static void main(String argvs[]) { String str = null; str = String.join(null, "abc", "bcd", "apple"); System.out.println(str); } } 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 输出: Exception in thread "main" java.lang.NullPointerException ...
join(long milliseconds)方法的示例文件名：TestJoinMethod2.javaclass TestJoinMethod2 extends Thread{public void run(){for(int i=1;i<=5;i++){try{Thread.sleep(500);}catch(Exception e){System.out.println(e);}System.out.println(i);}}public static void main(String args[]){TestJoinMethod2 ...
Java String join Method: The join() method returns a new String composed of copies of the CharSequence elements joined together with a copy of the specified delimiter.
1. Java 8 – UsingString.join() TheString.join()method has twooverloadedforms. The first versionjoins multiple string literalsprovided as var-args. The second versionjoins the strings provided in a list or an array. Note that if an element isnull, then"null"is added to the joined string...
Since Java 8, we can use String.join() method to concatenate strings with a specified delimiter. For advanced usages, use StringJoiner class.