文档介绍
(Stringstr)->System.out.println(str)(Stringstr)->System.out.println(str)ParameterOperator(Stringstr)->System.out.println(str)ParameterOperator(Stringstr)->System.out.println(str)ParameterBody()->System.out.println(this)(Stringstr)->System.out.println(str)str->System.out.println(str)(Strings1,Strings2)->{returns2.length()-s1.length();}(s1,s2)->s2.length()-s1.length()OperatorSystem.out::printlnClass/ObjectMethodNameFiles.lines(Paths.get(“Test.java”)).map(String::trim).forEach(System.out::println);Aninterfacewithexactlyoneabstractmethod.Function<String,Integer>getStrLength=(Strings)->{returns.length();};Runnabler=()->{System.out.println("HelloWorld!");};if(ls!=null&&ls.size()>0){if(ls!=null&&ls.size()>0){////newThread(newR