Java 归档 - Page 363 of 655

Is the Java – bouncy castle API thread safe?

Is bouncy castle API thread safe? especially, org.bouncycastle.crypto.paddings.PaddedBufferedBlockCipher org.bouncycas……

Java

2019-12-22

Valgrind and Java

I want to use Valgrind 3.7 0 to find a memory leak in my java native code I'm using jdk1 6.0._ twenty-nine To do this,……

Java

2019-12-22

Java – why close () an input stream?

I have rich experience in Java programming language But I've been thinking, why close () Java io. What about InputStre……

Java

2019-12-22

java. Lang. outofmemoryerror: Web application usage on permgen space

I am trying to deal with the recent OUTOFMEMORY permgen problem One of the log fragments saved when an error occurs: j……

Java

2019-12-22

How to use opensh private key in Java?

I am generating a DSA key using the following command: ssh-keygen -t dsa Then, I try to sign the data using the bounc……

Java

2019-12-22

Java spring boot: I’m trying to add the CacheControl header to the responseentity

I'm not very good in Java spring, but I want to add cache control header to my responseentity @RequestMapping(value = ……

Java

2019-12-22

Java 8 function interface assignment context

The question is about the allocation background of the functional interface – Predicate<String> p = String::isEm……

Java

2019-12-22

Jsr-305 annotation replaces Java 9

So far, we have been using findbugs jsr-305 annotation (COM. Google. Code. Findbugs: jsr305), and everything including……

Java

2019-12-22

Java – how to index date fields in Lucene

I'm new to Lucene I must index the date field IndexWriter writer = new IndexWriter(FSDirectory.open(indexDir),new Whit……

Java

2019-12-22

Java – @ createdby how does it work in spring data JPA?

I used @ createddate on the entity attribute, and I saw it insert the date in dB I don't understand the purpose of @ c……

Java

2019-12-22

Java – use the Apache httpcomponents client to sign AWS HTTP requests

I am trying to send an HTTP request to the AWS elasticsearch domain protected by Iam access policy I need to sign thes……

Java

2019-12-22

Java – shorten method / variable names?

Whether using long is considered a bad style, but descriptive method names such as "adjacetlocationsbystate()" if so, ……

Java

2019-12-22

Java – instantiationexception calls a class on newinstance for simple reflection?

I have an abstract class A, which is public abstract class A { private final Object o; public A(Object o) { ……

Java

2019-12-22

Java – how to use spaces in the parameters of Maven 2 exec plug-in

Related questions: Maven exec plugin not reading configuration In my configuration, I need a parameter, which is a fil……

Java

2019-12-22

How to make command-w close windows on Java or clojure’s Mac OS

I want to close a window / JFrame in the program I wrote in clojure How will this be achieved? Pure Java solutions are……

Java

2019-12-22

Java – comma separated string of currency values

I have a string that contains formatted currency values, such as 45890.00 and multiple values separated by commas, 890……

Java

2019-12-22

Java – real time collaboration in eclipse

See the English answer > is there an eclipse plugin for collaborative editing? [closed] 3 We have installed the lat……

Java

2019-12-22

Java – UUID randomly generated with duplicate

I use the following functions to generate UUIDs UUID.randomUUID().toString() In prod, we have 50 servers (application ……

Java

2019-12-22

Java – given a 2D integer array, recursively find the path with the sum of the given number

Given a two-dimensional array, I need to recursively return a matrix whose path sum is a given number The path matrix ……

Java

2019-12-22

Java – failed task ‘: app: compiledebugndk’ cannot run this command NDK build cmd

Error:Execution Failed for task ':app:compileDebugNdk'. Error:Execution Failed for task ':app:compileDebugNdk'. Error ……

Java

2019-12-22

Java 8 uses generic type method references

I have the problem of combining Java 8 method references with generic types I have simplified my problem and made it c……

Java

2019-12-22

Java – how to add local library paths to JUnit tasks?

I have a java project that uses this driver for serial communication The driver uses DLL under windows to create seria……

Java

2019-12-22

Java – where are the auxiliary courses in Guice jar?

I downloaded Guice 2.0 and 3.0 through maven, and I couldn't find the whole com. Com in jar google. inject. Assistedin……

Java

2019-12-22

Java – why does LinkedHashMap maintain iterations of two-way linked lists

Because there is no internal and reasonable explanation in any thread >For insertion order, it's enough to maintain……

Java

2019-12-22

Java – how to sort by count () in JPA

I am using this JPA query: SELECT DISTINCT e.label FROM Entity e GROUP BY e.label ORDER BY COUNT(e.label) DESC I did……

Java

2019-12-22

Java – constant warning when running Tomcat from IntelliJ

Suddenly, when I run Tomcat from inside IntelliJ, the output console is constantly bombarded by mail@ H_ 502_ 2 @ (ver……

Java

2019-12-22

Java – inject null pointer

We try to refactor a project with Guice The idea is to bind all language interfaces to mixed objects such as French or……

Java

2019-12-22

Java – groovy version 2.4.0 for eclipse two

How to create a groovy project in eclipse and use a custom groovy library? I'm new to groovy and I'm confused about ho……

Java

2019-12-22

Java – string text, practice and reflection

I tried to find a third solution this question I don't understand why I don't print errors public class MyClass { ……

Java

2019-12-22

Setopaque (true / false); Java

In Java 2D, when you use setopaque, I'm confused about some true and false For example, I know that swing opera means ……

Java

2019-12-22

JPA: use @ generatedvalue on non ID columns

I try to stick to an entity with attributes I want to populate from the DB sequence I am using Oracle to create a sequ……

Java

2019-12-19

Java – getting started with Oracle Database

I was assigned the task of making Java Web applications work with Oracle databases I don't know where to start I hope ……

Java

2019-12-19

搜索内容

Is the Java – bouncy castle API thread safe?

Valgrind and Java

Java – why close () an input stream?

java. Lang. outofmemoryerror: Web application usage on permgen space

How to use opensh private key in Java?

Java spring boot: I’m trying to add the CacheControl header to the responseentity

Java 8 function interface assignment context

Jsr-305 annotation replaces Java 9

Java – how to index date fields in Lucene

Java – @ createdby how does it work in spring data JPA?

Java – use the Apache httpcomponents client to sign AWS HTTP requests

Java – shorten method / variable names?

Java – instantiationexception calls a class on newinstance for simple reflection?

Java – how to use spaces in the parameters of Maven 2 exec plug-in

How to make command-w close windows on Java or clojure’s Mac OS

Java – comma separated string of currency values

Java – real time collaboration in eclipse

Java – UUID randomly generated with duplicate

Java – given a 2D integer array, recursively find the path with the sum of the given number

Java – failed task ‘: app: compiledebugndk’ cannot run this command NDK build cmd

Java 8 uses generic type method references

Java – how to add local library paths to JUnit tasks?

Java – where are the auxiliary courses in Guice jar?

Java – why does LinkedHashMap maintain iterations of two-way linked lists

Java – how to sort by count () in JPA

Java – constant warning when running Tomcat from IntelliJ

Java – inject null pointer

Java – groovy version 2.4.0 for eclipse two

Java – string text, practice and reflection

Setopaque (true / false); Java

JPA: use @ generatedvalue on non ID columns

Java – getting started with Oracle Database

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