D > B enters the synchronized block, and since instance is not null at this time, it immediately leaves the synchronized block and returns the result to the program calling the method. E > At this point, thread B intends to use the Singleton instance, only to find that it has not been initialized, so an error occurs. Therefore, there is still the possibility of errors in the program. In fact, the running process of the program is very complicated. From this, we can see that it is more difficult and challenging to write programs especially in multi-threaded environment. We further optimized the program:
10. Ships less than 12m in length are not required to sound the above sound signals, but if the above sound signals are not sounded, other valid sound signals shall be sounded at intervals of not more than 2 minutes at each time.
医院接二连三出事，是管理疏忽，是技术失误，还是无力回天的医学局限？武明训与钟立行产生严重分歧。一群充满理想与献身精神的医生在理想与现实中艰难跋涉，最终找回希波克拉底誓言给予的崇高与责任和 “医者仁心”的职业信仰。
This requires that the anger value is enough to scourge the boss all the time. You may want to say that you can use justice to throw a hammer at a long distance, but please note that justice does not enjoy the 81-fold injury of the blade of prophecy and Fred's anger, which is equivalent to saying that justice can only stack the number of punishment layers, and the actual damage caused can be basically ignored. The punished big head is still recommended to stack with scourge, 600ms=36 frames (justice or flame chop almost 28 frames or so).
故事发生在六十年代的美国，勒维恩（奥斯卡·伊萨克 Oscar Isaac 饰）是一位名不见经传的民谣歌手，生活困顿的他无家可归亦没有固定的工作，每晚得靠朋友们的救济才得以寻得安身之处。可是，尽管陷入了窘境，但固执的勒维恩却不愿意了顺应大众的喜好而做出无奈的改变，也正因为此，他和交往多年的好友简（凯瑞·穆丽根 Carey Mulligan 饰）和吉姆（贾斯汀·丁伯莱克 Justin Timberlake 饰）之间的关系也跌落到了冰点，更让勒维恩感到烦心的是，简的腹中竟然怀上了自己的孩子。
Fox宣布续订《紧急呼救》第四季。截至目前，《紧急呼救》第三季为Fox台本季度观看人数最多的剧集。
众人听了精神大振：这条路上来往运送物资的队伍频繁，这些人根本不敢久留，只要能拖住他们，就有胜算。
青埂峰下女娲补天剩下的顽石在一僧一道的指引下下尘世去经历一番那富贵温柔乡了。一天，与甄士隐深交的贫困书生贾雨村向他借盘缠上京赴考，断定次子日后必定飞黄腾达的甄士隐慷慨解囊，于是雨村上京赴考了。不料甄士隐的爱女甄英莲却遭拐子拐了去，随后甄家在一场火灾后败落。贾雨村不负众望果然中了进士，随后当州官时遇到了被薛蟠强买的英莲，为了自己的利益，不得罪四大家族，雨村胡乱判了案。
The adapter pattern of the class
他们都说我煎的薄饼好好吃呢。
故事围绕青丘国江州的青山湖畔经营着一家宠物店的软萌活泼老板娘苏小荷（田曦薇饰），她无意中捡到了一颗“蓝魂珠”，唤醒了来自 DW 星系的喵星王子展开。喵星王子化身为高大帅气又神秘的莫修染（肖凯中饰），和苏小荷机缘巧合下缔结“主仆契约”，上演一段跨越星系、跨越族群的超浓度甜蜜人“宠”恋，携手在冒险中揭开隐藏在这一切背后不为人知的秘密。
It is stipulated that 12 in a dozen is a decimal system.
该作品主要讲述了三个少年为了保护电脑世界而与魔王卡恩德吉法展开斗争的故事。
"It is incredible to dig so fast, I can also imagine how bad your situation was then. The "killer bees" all over the sky are already very difficult to deal with, Hitting the body can kill people with almost one blow. Two or three big mice can bite off people's limbs. The few besieged one person, which is even more destructive than wolves. However, judging from the history of the war, although the 149 position was hit hard, it finally successfully completed the defensive task. How did you do it? Or how did I get out of trouble? "I wrote down the key points before, stopped writing and then asked.
想要上前拦阻，似乎又觉得不妥。
创伤不是撕裂灵..
然而，却意外地误入了并行世界“令和”…！？
……这次突然出现的苏樱真的神了。
