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How to use Java comparator correctly?

If I have the following courses: public class Employee { private int empId; private String name; private i……

Java

2020-02-23

. Net – how to stop a worker thread in a multithreaded windows service where the service is stopped

I have a Windows service that uses a producer / consumer queue model to process tasks in queues with multiple worker t……

Java

2020-02-23

Java bitwise operation

I have this line of code int b1 = 0xffff & (content[12]<<8 | 0xff & content[11]); I have a small bytearr……

Java

2020-02-23

Java – executorservice, how to know when all threads complete without blocking the main thread?

I have a multi-threaded implementation. I create an executorservice and submit the tasks to be executed. I want to kno……

Java

2020-02-23

Java – consumer mapping class in HashMap

I want to create an identityhashmap < class < T >, consumer < T > > Basically, I want to map a type ……

Java

2020-02-23

Java PBEWithMD5AndDES

I'm using password - based encryption My initial idea was to use AES to encrypt files containing passwords Prove that ……

Java

2020-02-23

Java – logback – no line end delimiter

I'm using logback 0.9 21. Unfortunately, it prints all messages to a single line, without end characters, or even the ……

Java

2020-02-23

Java – how to control the centering of JButton HTML text in NetBeans?

I tried to put one or two lines on JButton; for example +----------+ | READER | | STOP | +----------+ But I can'……

Java

2020-02-23

Java – XPath normalize space() returns a series of normalized strings

I need to use the XPath function normalized space () to normalize the text I want to extract from the X HTML document:……

Java

2020-02-23

Java – binary compatibility of abstract classes and subclasses

In Java, I define an abstract class, which contains concrete and abstract methods, and must be independently created b……

Java

2020-02-23

Compress the byte array in Java and decompress it in C

I currently have the following arrays in my java program, byte[] data = new byte[800]; I want to compress it before se……

Java

2020-02-23

Java – why doesn’t Jackson 2 recognize the first capital letter if the leading camel case word is only one letter long?

I am using spring 4 MVC with Jackson 2 my service For one of the operations, I have a request object with an attribute……

Java

2020-02-23

Java – the background color of the selected item in the non editable jcombobox

Non editable JCombo@R_382_2419 @The background color selected in is a blue color: Is there any way to make it a differ……

Java

2020-02-23

Java: XML normalization

What is the simplest way to make the canonical form of XML files in Java? Do you have some complete code? I have found……

Java

2020-02-23

Multithreading – avoiding cache consistency problems and key parts in Delphi?

I just read an MSDN article "synchronization and multiprocessor issues", which solves the memory cache consistency pro……

Java

2020-02-23

How to convert ieee-11073 16 bit sfloat to a simple floating point number in Java?

The title is self-evident: how to convert ieee-11073 16 bit sfloat to a simple floating point number in Java? Solution……

Java

2020-02-23

Deleting XML nodes using a Java parser

In the following example XML, if a Java parser is used, if e = 13, how to delete the entire B node <xml> <……

Java

2020-02-23

Java – singleton mode

Like my previous question, this question refers to effective Java I have many sub - questions this time >Privileged……

Java

2020-02-23

selenium – org. junit. Test and JUnit framework. Differences between test packages

<project name="JunitSuite" basedir="." default="clean"> <project name="JunitSuite" basedir="." default="clean……

Java

2020-02-23

Java – mockito: how to run some code using the stub method when calling

I want to stub a repository class to test another class with a repository (holder class) The repository interface supp……

Java

2020-02-23

Floating to 2 decimal places

I want to add two decimals to a floating point number I have 2 floating point values: 1.985 29.294998 They all need to……

Java

2020-02-23

Java – POJO to org bson. Document and vice versa

Is there a simple way to convert simple POJOs to org. POJOs bson. Document？ I know there are many ways to do this: Do……

Java

2020-02-23

Java nested list to array conversion

What is the most effective way to convert data from a nested list to an array of objects that can be used as JTable da……

Java

2020-02-23

java – . Nextval JDBC insertion problem

I try to sequence Nextval is inserted into the table as a primary key, and SQL in Java is sql = "INSERT INTO USER ……

Java

2020-02-23

Java – dispatcher servlet spring and URL patterns

I'm new to the spring framework. Today I met web For the dispatcher servlet configuration in the XML file, I came up w……

Java

2020-02-23

. Net – LINQ on LinkedList – iterates linkedlistnode instead of T

I'm having trouble understanding how to perform certain operations in LINQ I have a linked list. The type of object do……

Java

2020-02-23

Java – spring Mongo adds standard operator and dynamic

I'm trying to create a dynamic query using user input and actions List<Criteria> criterias = new ArrayList<Cr……

Java

2020-02-23

Files. Parallel version of walkfiletree (Java or Scala)

Does anyone know java files Any parallel equivalent of walkfiletree or something like that? It can be a Java or Scala ……

Java

2020-02-23

Java – how to set the context path in Tomcat so that you can enter the site without attaching the deployed folder name?

I read some questions about this in the Tomcat guide here I think I do almost the same thing But to some extent, it ca……

Java

2020-02-23

Java – you cannot avoid using spring boot and logback to log SQL into the console

Solution If hibernate show_ If SQL is set to true, hibernate will simply print the SQL statement to the console (do no……

Java

2020-02-23

Java – badtokenexception: cannot add window

I have a problem. When the screen times out, I receive a badtokenexception, and then the user returns to my applicatio……

Java

2020-02-23

Java – use Jackson to map objects from specific nodes in the JSON tree

Can Jackson's objectmapper ungroup from a specific node (and "down") in the JSON tree? Use cases are extensible docume……

Java

2020-02-23

搜索内容

How to use Java comparator correctly?

. Net – how to stop a worker thread in a multithreaded windows service where the service is stopped

Java bitwise operation

Java – executorservice, how to know when all threads complete without blocking the main thread?

Java – consumer mapping class in HashMap

Java PBEWithMD5AndDES

Java – logback – no line end delimiter

Java – how to control the centering of JButton HTML text in NetBeans?

Java – XPath normalize space() returns a series of normalized strings

Java – binary compatibility of abstract classes and subclasses

Compress the byte array in Java and decompress it in C

Java – why doesn’t Jackson 2 recognize the first capital letter if the leading camel case word is only one letter long?

Java – the background color of the selected item in the non editable jcombobox

Java: XML normalization

Multithreading – avoiding cache consistency problems and key parts in Delphi?

How to convert ieee-11073 16 bit sfloat to a simple floating point number in Java?

Deleting XML nodes using a Java parser

Java – singleton mode

selenium – org. junit. Test and JUnit framework. Differences between test packages

Java – mockito: how to run some code using the stub method when calling

Floating to 2 decimal places

Java – POJO to org bson. Document and vice versa

Java nested list to array conversion

java – . Nextval JDBC insertion problem

Java – dispatcher servlet spring and URL patterns

. Net – LINQ on LinkedList – iterates linkedlistnode instead of T

Java – spring Mongo adds standard operator and dynamic

Files. Parallel version of walkfiletree (Java or Scala)

Java – how to set the context path in Tomcat so that you can enter the site without attaching the deployed folder name?

Java – you cannot avoid using spring boot and logback to log SQL into the console

Java – badtokenexception: cannot add window

Java – use Jackson to map objects from specific nodes in the JSON tree

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