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Using HeapDumpOnOutOfMemoryError parameter for heap dump for JBoss
...ion has to say:
By default the heap dump is created in
a file called java_pid.hprof in the
working directory of the VM, as in the
example above. You can specify an
alternative file name or directory
with the -XX:HeapDumpPath= option. For
example -XX:HeapDumpPath=/disk2/dumps
will c...
Constructor overloading in Java - best practice
... the least to the most arguments in the constructor call. Is this standard Java style? Why?: In my opinion it would make sense to do it the opposite way that way you the first constructor definition you should see is the one that has all the details.
– Josie Thompson
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Good Hash Function for Strings
... computinglife.wordpress.com/2008/11/20/… explaining why 31 was used for Java string hashing. There is no mathematical proof given, but it does explain the general concept as to why primes work better.
– Pharap
Sep 24 '13 at 0:39
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What is the difference between getFields and getDeclaredFields in Java reflection
...tween the getFields method and the getDeclaredFields method when using Java reflection.
4 Answers
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Java ArrayList replace at specific index
I need help with this java please. I created an ArrayList of bulbs, and I'm trying to replace a bulb at specific index with another bulb. So with the following heading, how do I proceed?
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Java 8 Streams - collect vs reduce
...sing an Integer constructor (new Integer(6)), which is deprecated in later Java versions.
– MC Emperor
Jun 13 '19 at 10:54
1
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What does the question mark in Java generics' type parameter mean?
... the examples that accompany the Stanford Parser. I've been developing in Java for about 4 years, but have never had a very strong understanding of what this style of code is supposed to indicate.
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Overloaded method selection based on the parameter's real type
...meter type. Am I missing
something?
Yes. Your expectation is wrong. In Java, dynamic method dispatch happens only for the object the method is called on, not for the parameter types of overloaded methods.
Citing the Java Language Specification:
When a method is invoked (§15.12), the
numb...
OceanBase使用libeasy原理源码分析：服务器端 - 数据库(内核) - 清泛网 - ...
...hread_count_个io线程(easy_io_thread_t)，初始化针对每个eio(一般系统就只有一个)的统计信息结构(easy_summary_t)
2. 设置一些tcp参数，比如tcp_defer_accept，tcp_nodelay，设置一些负载保护参数，比如EASY_CONN_DOING_REQ_CNT，表示每个连接同时正在处...
What exactly is a Context in Java? [duplicate]
I Googled this and read the Java documentation, but I'm a bit confused. Can somebody please explain what a Context is in plain English?
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