Java 归档 - Page 296 of 655

Java – implement the equals method using CompareTo

General question: when implementing the override of a default equals method in Java, how should the implemented Compar……

Java

2020-02-27

Java – check whether the garbage collector can get objects

Is there any way to check whether the garbage collector can get objects? Somewhere in my code, I have a reference to a……

Java

2020-02-27

How does the Java – NUMA architecture affect the performance of activepivot?

We are migrating the activepivot application to the new server (4 slots Intel Xeon, 512gb memory) After deployment, we……

Java

2020-02-27

Java – how to use the custom JTable cell editor and cell renderer

I have created a JTable with custom table rendering and custom cell editor, which can give the results in the image I ……

Java

2020-02-25

Java – how to improve efficiency?

I'm creating an asteroid clone, but there are still some bells and whistles So far, I have an ArrayList < < aste……

Java

2020-02-25

Java – why does the enummap constructor need a class parameter?

The enummap class constructor requires a class as an argument Most of the time, k.class is passed as a parameter I sti……

Java

2020-02-25

Java 8 applies stream filters based on conditions

In Java 8, is there any way to apply filters to streams based on conditions, example I have this stream if (isAccessDi……

Java

2020-02-25

Java – spring throwing httpmediatypenotacceptableexception: an acceptable representation cannot be found due to a point in the URL path

Final editing So after research, because the answer is not because of what I see, I found that spring does some strang……

Java

2020-02-25

Java – how to use ant to check signed jar files?

I use ant signjar task to sign the jar file, and now I want to test it before deployment I can check jarsigner -verify……

Java

2020-02-25

Java – Maven assembly plugin mojoexecutionexception, where dependencyset is outputdirectory

In my Khatami project, I use Maven to manage compilation and package the results into a runnable artifact: the top-lev……

Java

2020-02-25

Java – set column headers in JTable

I have the following JTable table model: http://s17.postimage.org/7zfh3l4lr/Screen_Shot_2012_03_10_at_15_11_31.png Ins……

Java

2020-02-25

Java – completable future | then apply vs thenpose

I can't let my head revolve around the difference between thenapply () and thenpose () So can anyone provide an effect……

Java

2020-02-25

Java – type mismatched keys from the map: expected Text,received … LongWritable

I have a simple Hadoop application that takes a CSV file, splits the entries with "," and then calculates the first it……

Java

2020-02-25

Java – how to repeat the “if” statement when the output is false

I'm developing a simple game where users have to guess a random number I've set up all the code except the fact that i……

Java

2020-02-25

Java – how to set the background color of custom button status?

I have a button that contains drawable and text I hope the background of the button is different from the normal backg……

Java

2020-02-25

Java – confused about ThreadLocal

I just learned about ThreadLocal this morning I read that it should always be final and static: private static final T……

Java

2020-02-25

Java – namespace in JDOM (default)

I'm trying to generate XML documents using the latest JDOM package I encountered a problem with the root element and n……

Java

2020-02-25

Java – how to sort vectors?

In Java, I want to know how to sort vectors on a specific column. One vector is used as a row and one vector is used t……

Java

2020-02-25

Java – what is the correct way to create a completed completable future

I use completable future in Java 8. I want to write a method to run multiple tasks with side effects in parallel accor……

Java

2020-02-25

Java – invalid sort on date in JTable

Look at the code below import java.awt.*; import java.awt.event.*; import java.text.NumberFormat; import java.text.Par……

Java

2020-02-25

Java – is there a case where the abstract class is better than the interface

I have a scenario in which several subclasses have similar implementations and some additional methods, and the implem……

Java

2020-02-25

Java instance: supertypes and subtypes seem equal? How to accurately test type?

If an instance completely belongs to a given type, I need to test it However, if the subtype is tested as a supertype,……

Java

2020-02-25

Get Java classes from multiple wsdls

I have a maven project where I need to generate Java classes from multiple WSDL files I have checked this link: http:/……

Java

2020-02-25

Java – use a specific pattern to format an instant as a string

I'm trying to format instant as a string using a specific format According to the question of format instant to string……

Java

2020-02-25

Java – stores serializable objects in the database

I'm writing an application that needs to write objects to the database For simplicity, I want to serialize objects But……

Java

2020-02-25

Java – regular expression in spring controller

I'm trying to build a request filter that will only be used if it matches the pattern of the letter E and then a numbe……

Java

2020-02-25

Add package to Java project structure

I've been working on a local project, and sometimes I hand it over to someone else The question is: is there another w……

Java

2020-02-25

How to hide the pannable scroll bar in JavaFX?

I created a pannable scrollpane Now I want to hide the bar to the right of the scroll bar .scroll-bar:horizontal .incr……

Java

2020-02-25

Java – GWT, how eclipse plug-ins integrate projects with gwt. Rename with XML file? An error occurs when trying to do this

I spent some time searching on it, and everything I found seems to have nothing to do with my problem I'm making an RP……

Java

2020-02-25

Java – scan tree structure from bottom to top?

If the following tree structure or similar structure is given: I want to return the string zyxwvut I know how to do th……

Java

2020-02-25

Java heap dump error – Metadata does not appear to be polymorphic

When I try to get a heap dump from a running java process, I get this stacktrace What is the cause and what must I do ……

Java

2020-02-25

Debugging – using GlassFish 3.0 1 and NetBeans 6.9 JPA 2.0 for 1 (recording and tracking)

I'm in GlassFish v3 0.1 and NetBeans 6.9 JPA 2.0 (eclipse link provider) is used in 1, and queries and other logging i……

Java

2020-02-25

搜索内容

Java – implement the equals method using CompareTo

Java – check whether the garbage collector can get objects

How does the Java – NUMA architecture affect the performance of activepivot?

Java – how to use the custom JTable cell editor and cell renderer

Java – how to improve efficiency?

Java – why does the enummap constructor need a class parameter?

Java 8 applies stream filters based on conditions

Java – spring throwing httpmediatypenotacceptableexception: an acceptable representation cannot be found due to a point in the URL path

Java – how to use ant to check signed jar files?

Java – Maven assembly plugin mojoexecutionexception, where dependencyset is outputdirectory

Java – set column headers in JTable

Java – completable future | then apply vs thenpose

Java – type mismatched keys from the map: expected Text,received … LongWritable

Java – how to repeat the “if” statement when the output is false

Java – how to set the background color of custom button status?

Java – confused about ThreadLocal

Java – namespace in JDOM (default)

Java – how to sort vectors?

Java – what is the correct way to create a completed completable future

Java – invalid sort on date in JTable

Java – is there a case where the abstract class is better than the interface

Java instance: supertypes and subtypes seem equal? How to accurately test type?

Get Java classes from multiple wsdls

Java – use a specific pattern to format an instant as a string

Java – stores serializable objects in the database

Java – regular expression in spring controller

Add package to Java project structure

How to hide the pannable scroll bar in JavaFX?

Java – GWT, how eclipse plug-ins integrate projects with gwt. Rename with XML file? An error occurs when trying to do this

Java – scan tree structure from bottom to top?

Java heap dump error – Metadata does not appear to be polymorphic

Debugging – using GlassFish 3.0 1 and NetBeans 6.9 JPA 2.0 for 1 (recording and tracking)

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