Java 归档 - Page 300 of 655

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 – 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

How do I check if a string contains the second string in its character order?

I've just started and I'm completely lost in how to do this I want to be able to check whether the string has a smalle……

Java

2020-02-23

Get heap dumps from remote applications in Java using jvisualvm

I run jvisualvm (Windows XP, Sun Java 1.6.0.13, 32-bit client VM) to monitor remote applications (Linux, Sun Java 1.6.……

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 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 EE – why not use session beans instead of message driven beans?

I wonder, why not use session beans instead of message driven beans? If you can call remote methods from EJBs, why sen……

Java

2020-02-23

Create an object before the super call in Java

Consider the simple java code that doesn't work: public class Bar extends AbstractBar{ private final Foo foo = ne……

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 – 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

How to force the java server to accept only TLS 1.2 and reject TLS 1.0 and TLS 1.1 connections

I have an HTTPS web service running on Java 7 I need to make changes so that the service only accepts tls1 2 connect a……

Java

2020-02-23

Java code to XML / XSD without annotations

I need to group and ungroup Java The course doesn't belong to me. I can't add animation so that I can use JAXB Is ther……

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

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

Check whether the user is root in the Java application

How do I verify that the user is root in a Java application? thank you Solution Simple Just use System.getProperty("us……

Java

2020-02-23

JPA2. 0: delete entity in onetomany relationship

How to delete an entity in a onetomany relationship @Entity @NamedQueries({ @NamedQuery(name="User.findByUserNamePa……

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 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 – button click causes the application to crash

I just set up an onclick method, which is written in the activity class and will be called as soon as I click the butt……

Java

2020-02-23

How to output the content of scene graphics in JavaFX 2 to images

How to output the content of scene graph in JavaFX 2 to image In fact, I'm developing an application that basically de……

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

. 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 – how to use jmockit to pass an empty string to a private method during unit testing?

The following is the private method in my datatap class. I tried to JUnit test this private method with jmockit – priv……

Java

2020-02-23

Java – how to put Google Adsense in GWT

Does anyone know how to put Google Adsense ads in GWT web applications? Solution You can put the JavaScript code in Ad……

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

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

Java – how to use polynomials instead of bits to improve performance?

I have a 128 bit string, and my supervisor asked me to express the 128 bits as polynomials This is a scan of the paper……

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

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

Draw lines on the canvas with the mouse: Java AWT

The attempt is to draw a figure (now a line) with the mouse on the AWT canvas I tried java graphics for the first time……

Java

2020-02-23

java – joda-time：new DateTime(String)vs DateTime. parse(String)

Using the joda-time-2.0 version library, I want to know which function is more suitable for building from ISO date (up……

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

搜索内容

Java nested list to array conversion

Java – logback – no line end delimiter

How do I check if a string contains the second string in its character order?

Get heap dumps from remote applications in Java using jvisualvm

Java – POJO to org bson. Document and vice versa

Java PBEWithMD5AndDES

Java EE – why not use session beans instead of message driven beans?

Create an object before the super call in Java

Floating to 2 decimal places

Java – consumer mapping class in HashMap

How to force the java server to accept only TLS 1.2 and reject TLS 1.0 and TLS 1.1 connections

Java code to XML / XSD without annotations

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

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

Check whether the user is root in the Java application

JPA2. 0: delete entity in onetomany relationship

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

Java bitwise operation

Java – button click causes the application to crash

How to output the content of scene graphics in JavaFX 2 to images

Java – singleton mode

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

Java – how to use jmockit to pass an empty string to a private method during unit testing?

Java – how to put Google Adsense in GWT

Deleting XML nodes using a Java parser

How to use Java comparator correctly?

Java – how to use polynomials instead of bits to improve performance?

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

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

Draw lines on the canvas with the mouse: Java AWT

java – joda-time：new DateTime(String)vs DateTime. parse(String)

Java – badtokenexception: cannot add window

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