原创 泛型Generics
Type safety means that the compiler will validate types while compiling, and throw an error if you try to assign th
2020-06-23 03:04:25
2
原创 Starvation and Fairness
If a thread is not granted CPU time because other threads grab it all, it is called “starvation”. The thread is “st
2020-06-23 03:04:25
18
原创 Thread safety and Shared Resource
一、Local Variables Local variables are stored in each thread’s own stack. That means that local variables are never
2020-06-23 03:04:25
2
原创 Reader、Writer、BufferedWriter源碼解析
Text streams – Interacts as Unicode characters which are 16 bits 一、Characters in Unicode Today, many applications u
2020-06-23 03:04:25
原创 HashMap、Hashtable、LinkedHashMap、TreeMap 數據結構及不同點
一、HashMap hashing:transformation of a string of characters(Text) to a shorted fixed-length value that represents or
2020-06-23 03:04:25
1
原创 Blocking Queues
A blocking queue is a queue that blocks when you try to dequeue from it and the queue is empty, or if you try to en
2020-06-23 03:04:25
原创 Garbage Collection按代回收執行過程
一、 What is Automatic Garbage Collection? Automatic garbage collection is the process of looking at heap memory, ide
2020-06-23 03:04:25
原创 解決Race Conditions的方法之一：synchronized
synchronized解決了什麼問題？ Race Conditions Race conditions occur only if multiple threads are accessing the same resource
2020-06-23 03:04:25
原创 Thread Pools
Thread Pools are useful when you need to limit the number of threads running in your application at the same time.
2020-06-23 03:04:25
原创 InputStream、OutputStream、BufferedOutputStream源碼解析
The InputStream/OutputStream works with Bytes which are 8 bits. read、write根上調用的是native方法 一、read 1.方法 /* Reads a byt
2020-06-23 03:04:14
原创 java序列化、反序列化、serialVersionUID
一、Serialization、Deserialization Serialization is a mechanism of converting the state of an object into a byte strea
2020-06-23 03:04:13
1
原创 Exception處理機制、Exception Handler三種方法
Throwable、Exception、Error The Throwable class is the superclass of all errors and exceptions in the Java language.
2020-06-23 03:04:13
原创 Memory Consistency Errors解決方案：Happens-before relationship
一、JMM在多線程環境下的存在的問題之一：Memory Consistency Errors Memory Consistency Errors：Memory consistency errors occur when dif
2020-06-23 03:04:13
原创 Thread Signaling
The purpose of thread signaling is to enable threads to send signals to each other. Additionally, thread signaling
2020-06-23 03:04:13
原创 引用傳遞、值傳遞、Shallow Copy & Deep Copy
Java值傳遞、引用傳遞 Java is always pass-by-value.若是基本數據類型，值爲數據值；若是引用數據類型，其存儲的是地址值。 【棧幀中局部變量表，存放基本數據類型變量和值；引用數據類型存放變量和對象地址值
2020-06-23 03:04:12