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:
The heel is thickened, which can increase the buffer when landing to a certain extent during movement, thus reducing the reaction force.
When you need to add a new state to the light object, you only need to add a new state class and slightly change some existing code. Assuming that the light object now has an extra state of super light, add the SuperStrongLightState class first:
尹旭之所以出兵临江国的一个目的就是为了制衡汉国，如此无形之中我们相当于有一个盟友。
Mullenathan said: "People's vision will become narrow due to scarcity mentality, forming a restricted view, that is, only a small number of objects can be seen through the holes in the 'pipe' and everything outside the pipe is ignored."
/v fol-Follow Me
主要讲述一位父亲为救女儿，与为长生不老需要彼此的器官的两个克隆人之间发生的悬疑惊悚故事。
Memory 512M
花生听见了，慌忙回头驱赶狗，自己也是额头冒汗、小腿哆嗦。
Jeffrey在剧中饰演余浪冲，他自介道：「我系一个天才，同几位兄弟感觉好青春；所有嘢都冇乜所谓，唯有对住施咏（袁澧林饰）先好执着！」又大爆与文青女神袁澧林有亲密戏份。
一个男人乘上晚班车，他打开丰盛的便当，开始计算这顿饭的营养度。（大杉漣饰）
秦淼却没接这话茬，凝神替他把脉完毕，面色很沉重，皱眉想了好一会，转身去旁边灌木丛中削了一根细竹枝，用匕首仔细地削着。
R
However, this book breaks the keynote of "talent determinism" and debunks the myths of Paganini, Mozart and high jumpers. Their success is achieved through long-term training, and no one can succeed casually. They only show a stronger interest in certain things when they are young, and then they are induced by their parents or teachers.
A visionary king in Swedish history said that from the perspective of daily application, decimal is more convenient than decimal. Before his death, he had imagined that the decimal system would be replaced by the decimal system within his jurisdiction.
独立自强的钟款款经营巧克力店替父还债，她与富贵公子段天乐意外邂逅，并结下关于巧克力的幸福约定，在钟款款帮助段天乐追求千金阮郁莹的过程中，二人的情感发生微妙变化却遭到家庭反对，同时钟款款得到了事业型男神黎允征的爱慕，剧中人不但经历着情爱的纠葛、友谊的考验，同时，钟款款又面对着自己的身世之谜，段天乐面对着家族的遗产之争，他们终于在爱情与自我成长的双重考验下，兑现了巧克力的幸福约定。
女演员“千层套路”倒追男医生？韫北夫妇高段位互宠，全甜无虐每一秒都是心动警报！
Murderer Liang's Husband
国际知名化妆品公司SW大中华区业绩蒸蒸日上，但总经理舒婉婷却面临严重的“被替”危机：一直庇护她的“靠山”上司即将退休，而自己一手提拔的得力干将华东区总监林睿迅猛的势头已经引起了总部的注意，成为顶替她的最大威胁。舒婉婷为赢得时机，从华南区调来同为总监的方静以制衡林睿。职场“白骨精”的三国大战徐徐展开，不料斜刺里冒出个双商开挂的职场愣头青章小鱼横冲直撞加入战局。这个巨大的变量无时不刻影响着结果。本就成王败寇，如今更是草木皆兵，凶险至极。谁将赢得职位，谁将获得救赎，谁又终将找到自己……硝烟之下，剑拔弩张，扑朔迷离！
