Java 归档 - Page 305 of 655

Java double. MAX_ VALUE？

Hello, I was in my first year of computing system development, so I am very new to Java and have mastered the basic kn……

Java

2020-02-21

Java – JDK 1.7 jarsigner with HTTPS TSA is no longer valid

Looks like JDK 1.7 0_ The Thawte root certificate in 80 was revoked Using 7u80 jarsigner is no longer valid and worked……

Java

2020-02-21

Java bean, BeanUtils and Boolean wrapper classes

I used bean utils to manipulate Java objects created through JAXB, and I encountered an interesting problem Sometimes,……

Java

2020-02-21

Decrypt encrypted assertions using SAML 2.0 in Java using opensaml

There was a problem trying to decrypt encrypted assertions using SAML 2.0 The library I use is opensaml Java library 2……

Java

2020-02-21

Java – analyze JSON map / dictionary with gson?

I need to parse the JSON response: {"key1": "value1","key2": "value2","key3": {"childKey1": "childValue1","childK……

Java

2020-02-21

Java method call expectations

This is a java program with two buttons to change the integer value and display it increase.addActionListener(incListe……

Java

2020-02-21

Java EE – startup bean not called

I created a Java Web application project in NetBeans and created a startup bean in it: package malibu.util; import ja……

Java

2020-02-20

Java – can I add breakpoints to classes where I don’t have source code?

I want to add breakpoints to classes in eclipse, but I don't have its source code Is it possible to add breakpoints to……

Java

2020-02-20

Java – gson deserializes the interface of its class implementation

I'm using retrofit 2.1 0 and converter gson: 2.1 0 and gson alone: 2.6 2. Customize serialization / deserialization Th……

Java

2020-02-20

Java – how to get rid of the mouse cursor in full screen exclusive mode?

I am using a simple 2D game engine in Java, and have not encountered fSEM, buffer strategy and other problems; My prob……

Java

2020-02-20

Java – parsing arrays with multiple types using gson

I want to use gson to parse the following JSON: [ [ "hello",1,[2] ],[ "world",3,[2] ] ] So……

Java

2020-02-20

Java – process multipart / form data input

I'm just trying to use formdatamultipart, but unfortunately it doesn't seem to work SEVERE: A message body reader for ……

Java

2020-02-20

Java – is there a server independent way to implement basic authentication?

I'm trying to add basic authentication to my restful web service At present, I perform basic authentication on Apache ……

Java

2020-02-20

HTML validator in Java [closed]

I want to validate HTML code in Java Like this: HTMLValidator.validateHTML("aaa<b>bbb<b>"); // Returns fal……

Java

2020-02-20

Java – description of this lambda expression

I'm creating a word comparison class that also counts the number of occurrences of words (this is Java) This is my ori……

Java

2020-02-20

Java – maven nattable cleaning installation failed

I tried to import and solve the developer project of nattable project, as described in their Getting Started tutorial ……

Java

2020-02-20

Java – wait for multiple swingworkers

Consider the following code snippet: import java.awt.FlowLayout; import java.awt.event.ActionEvent; import java.awt.ev……

Java

2020-02-20

Is the swing repeat() method other than EDT in Java 7 still safe to use?

I know that even using swing's threading model, it was once considered safe to call repaint () and other methods from ……

Java

2020-02-20

Java – adding to HashMap takes a long time

In my java program, I have stopped for a few lines, which takes too much time (about 20 seconds), which seems strange ……

Java

2020-02-20

Processing asynchronous signals in multithreaded programs

The Linux programming interface book mentions a method of processing asynchronous signals in multithreaded programs: T……

Java

2020-02-20

Java – Jersey serialization / deserialization problem: abstract types can only be instantiated with other type information

I'm serializing and deserializing my jersey I used Jersey to create a rest channel on Weblogic I have result objects t……

Java

2020-02-20

Java – the correct way to automatically connect hibernate session in spring transaction JUnit test

This problem is similar to the previous one I tried to @ autowire a hibernate session in my spring JUnit transaction t……

Java

2020-02-20

Java – how do I update a map or list on the AWS dynamodb documentation API?

The new AWS dynamodb document API allows two new data types to directly correspond to the basic JSON representation: M……

Java

2020-02-20

Java – parses a 20 GB input file into an ArrayList

I need to sort 20 GB files (composed of random numbers) in ascending order, but I don't know which technology to use I……

Java

2020-02-20

Java – how to make izpack installer Jar file Exe file

I use izpack to install an installer It's here Jar file I think so Exe file for distribution What should I do? A simpl……

Java

2020-02-20

How to use list properties in Google App Engine data store in Java?

Objects placed in the data store will have a set of tags public class Model { List<String> tagList ... ……

Java

2020-02-20

Java – spring property placeholders do not work properly

I'm in stackoverflow I've seen similar problems on. Com, but no solution is helpful to me #possible values: dev test p……

Java

2020-02-20

Why are Java and C # different in oops?

1) Why are the following codes different C#： class Base { public void foo() { System.Console.WriteLine("base……

Java

2020-02-20

Java – modern for loop for raw arrays

Is there a performance difference between for loops on the original array? Undertake: double[] doubleArray = new doubl……

Java

2020-02-20

Java – naming convention for akka messages and actors

I am currently making a very large Java application based on akka. I have encountered several problems and I am not fi……

Java

2020-02-20

Java – ignore ‘file Result of mkdirs() ‘

This is mydir My code in mkdirs(); This code shows that I ignored file Result warning for mkdirs() I tried to fix this……

Java

2020-02-20

Java – how to add @ serialVersionUID to an anonymous class?

I want to translate the following code from Java to scala: Foo foo = new Foo() { private static final long serialVersi……

Java

2020-02-20

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Java double. MAX_ VALUE？

Java – JDK 1.7 jarsigner with HTTPS TSA is no longer valid

Java bean, BeanUtils and Boolean wrapper classes

Decrypt encrypted assertions using SAML 2.0 in Java using opensaml

Java – analyze JSON map / dictionary with gson?

Java method call expectations

Java EE – startup bean not called

Java – can I add breakpoints to classes where I don’t have source code?

Java – gson deserializes the interface of its class implementation

Java – how to get rid of the mouse cursor in full screen exclusive mode?

Java – parsing arrays with multiple types using gson

Java – process multipart / form data input

Java – is there a server independent way to implement basic authentication?

HTML validator in Java [closed]

Java – description of this lambda expression

Java – maven nattable cleaning installation failed

Java – wait for multiple swingworkers

Is the swing repeat() method other than EDT in Java 7 still safe to use?

Java – adding to HashMap takes a long time

Processing asynchronous signals in multithreaded programs

Java – Jersey serialization / deserialization problem: abstract types can only be instantiated with other type information

Java – the correct way to automatically connect hibernate session in spring transaction JUnit test

Java – how do I update a map or list on the AWS dynamodb documentation API?

Java – parses a 20 GB input file into an ArrayList

Java – how to make izpack installer Jar file Exe file

How to use list properties in Google App Engine data store in Java?

Java – spring property placeholders do not work properly

Why are Java and C # different in oops?

Java – modern for loop for raw arrays

Java – naming convention for akka messages and actors

Java – ignore ‘file Result of mkdirs() ‘

Java – how to add @ serialVersionUID to an anonymous class?

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