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All I know is that in front of the swan house in the c2m3 love tunnel, brush hid in that pipe and died in a few seconds.This class can meet the basic requirements, but if we put a class like this without thread safety protection into a multi-threaded environment, there will definitely be problems. How to solve them? The first thing we think of is adding the synchronized keyword to the getInstance method, as follows:This is one of the typical methods of offline collection. First, find the actual person in charge, then find someone to control him, and then determine the whereabouts of the funds, as well as the collection plan, etc.8-2 Favorite_book (): Write a function called favorite_book (), which contains a formal parameter called title. This function prints a message such as One of my favorite books is Alice in Wonderland. Call this function and pass the name of a book to it as an argument. ?当下，板栗脱去戎装，换上锦袍，戴上儒生方帽，化为一名书生。在这些据说之下，这次攻城更加显得疑点重重。