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Merge pull request Snailclimb#1068 from georgedage/patch-1

Update 2020最新Java并发基础常见面试题总结.md

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`@@ -229,7 +229,7 @@ Thread[线程 2,5,main]waiting get resource1`
`229`	`229`
`230`	`230`	`1. 互斥条件:该资源任意一个时刻只由一个线程占用。`
`231`	`231`	`2. 请求与保持条件:一个进程因请求资源而阻塞时,对已获得的资源保持不放。`
`232`		`-3. 不剥夺条件:线程已获得的资源在末使用完之前不能被其他线程强行剥夺,只有自己使用完毕后才释放资源。`
	`232`	`+3. 不剥夺条件:线程已获得的资源在未使用完之前不能被其他线程强行剥夺,只有自己使用完毕后才释放资源。`
`233`	`233`	`4. 循环等待条件:若干进程之间形成一种头尾相接的循环等待资源关系。`
`234`	`234`
`235`	`235`	`### 8.2. 如何避免线程死锁?`

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