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日志服务支持通过Logtail接收来自Pyroscope SDK或者JavaAgent上报的Java程序性能数据到全栈可观测应用中，进行可视化的性能监控和分析。

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2、循环结构我们先简单的通过流程图来认识以下Java中的三种循环结构：while 循环，如果碰到 break 则跳出循环，如果碰到 continue 结束本次循环回到循环条件判断部分。for 循环，如果碰到 break 则跳出循环，如果碰到 continue 则结束本次循环，跳到表达式3...

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JVM的内存可分为3个区：堆、栈和方法区(静态区)：堆区:1.存储的全部是对象，每个对象都包含一个与之对应的class的信息；2.jvm只有一个堆区(heap)，且被所有线程共享，堆中不存放基本类型和对象引用，只存放对象本身和数组本身；栈区:1.每个线程包含一个栈区，栈...

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