About lambda Summary - continuously updated

 1     public static void main(String[] args) {
 2         // ‘代替匿名类’
 3 //        new Thread(() -> System.out.println("java8 lambda")).start();
 4 
 5         // ‘list 遍历集合’
 6         List features = Arrays.asList("Lambdas", "Default Method", "Stream API", "Date and Time API");
 7 //        features.forEach(n -> System.out.println(n));
 8 
 9         // ‘函数接口 filter’
10         List languages = Arrays.asList("Java", "Scala", "C++", "Haskell", "Lisp");
11         The predicateA <String> = the predicateA STR -> str.equals ( "the Java" );
 12 is  //         . Languages.stream () filter (n--> predicate.test ((String) n-)) forEach (n--> the System.. Out.println (n-));
 13 is          // 'created by filtering a set of string string, variables need to find acceptance at 
14          . List <string> tempString = (List <string>) languages.stream () filter (n- -> predicate.test ((String) n-)) the collect (Collectors.toList ());.
 15  //         tempString.forEach (the System.out :: the println);
 16          // Map allows you change your internal elements 
. 17          List < Integer> = costBeforeTax Arrays.asList (100, 200 is, 300, 400, 500 );
 18 is  //        . costBeforeTax.stream () Map ((n-) -> + n-12 is n-*) .forEach (n--> System.out.println (n-));
 . 19          // the reduce sql understood to be a function of 
20 is          Integer = costBeforeTax tempSum .stream () Map ((n-) -> + n-12 is n-*) .reduce ((sUM, N1) -> + sUM. N1) .get ();
 21 is          // summaryStatistics comprising Max Min, and the sum of the average the value 
22 is          IntSummaryStatistics = costBeforeTax.stream stats () mapToInt (N->. n-) .summaryStatistics ();
 23 is          System.out.println ( "Highest in Prime Number List:" + stats.getMax ());
 24          the System.out .println ( "Prime Number Lowest in List:" + stats.getMin ());
 25          System.out.println ( "the Sum of All Prime Numbers:" + stats.getSum());
26         System.out.println("Average of all prime numbers : " + stats.getAverage());
27         //function函数Function<T,R>    输入T返回R
28         Function<String,String> function = n-> n + "jack";
29         System.out.println(function.apply("String"));
30     }