Java 归档 - Page 302 of 655

Java – get the result of searchresponse in elasticsearch

I am trying to use es as the index of mongodb I successfully integrated them together, but I found the Search API quit……

Java

2020-02-22

Add – javaagent to Tomcat 6 server, where can I put it and what format?

I'm trying to install an application health monitoring application that can monitor J2EE Web transactions. I need to p……

Java

2020-02-22

Java – how is this eclipse view formed?

I am developing an eclipse plug-in, which will add a new context menu. When clicked, a dialog box will pop up, and use……

Java

2020-02-22

JavaBeans comparison

Does anyone know a free open source library (utility class) that allows you to compare two instances of a java bean an……

Java

2020-02-22

Java – volatile in method signature?

See English answers > why make a method volatile in Java? 7 class A { protected A clone() throws CloneNotSup……

Java

2020-02-22

Java – JDBC logging to file

I need to log all queries to the Oracle database in my project to a log file What is a good way to achieve this? Some ……

Java

2020-02-22

Java – use workflow engine, state machine engine or scroll myself?

I'm confused I am developing an internal tool based on Grails for my company One component of this tool is a simple pr……

Java

2020-02-22

Java – what should you do?

Java checked exceptions sometimes force you to catch checked exceptions that you think will never be thrown Best pract……

Java

2020-02-22

Java – countdown timer without GUI

Basically, I'm making a text-based "game" (not a game, but more a way to improve basic Java skills and logic) But as p……

Java

2020-02-22

Java – real world example of applying command patterns

Command pattern can be used to implement transaction behavior (and undo) Solution In one of our projects, we have the ……

Java

2020-02-22

Java – bad practice – the class defines CompareTo (…) and uses object equals()

Want to know what needs to be done with the listed methods public final int compareTo(final FieldDTO o) { retu……

Java

2020-02-22

Java – how do I enable Maven profiles when the build version is not – snapshot?

I'm trying to use the gitflow helper Maven plugin extension for my Maven build Therefore, I want to configure my proje……

Java

2020-02-22

Java – swing: hover over the radio button label on the translucent JPanel

In my question, I have an opaque JPanel and another translucent (translucent) JPanel, which is located on the first JP……

Java

2020-02-22

Java – severe: unable to schedule event: eventbus com google. common. eventbus. SubscriberExceptionContext

For eventbus, I merged the code in my java spring application and took full control of it, but the result did not chan……

Java

2020-02-22

Java – JUnit test method with random nature

I am working for myself on a small project and I am using it as an opportunity to understand unit testing and maintain……

Java

2020-02-22

JSF – integer gets the default value 0, which needs to be null in Java

See English answer > H: inputtext which is bound to integer property is submitting value 0 instead of null1 All I n……

Java

2020-02-22

Unit testing – unit testing is worth the effort, in a large and old (5yr) code base?

I just joined a team that has been working in the main mode for the past five years (Java, Maven based projects) There……

Java

2020-02-22

When adding another object, Java util. ConcurrentModificationException

I am experiencing this exception What's wrong with my code? public class GlennTestMain { static ArrayList<Pers……

Java

2020-02-22

Java – why do you return false and true?

public class Test { public class Test { public static final Double DEFAULT_DOUBLE = 12.0; public static final ……

Java

2020-02-22

Java – can spring MVC with JPA be used to update a subset of attributes on an entity?

I am using spring Roo, spring MVC and JPA to save MySQL database I'm new to spring MVC and Java, but I work with cake,……

Java

2020-02-22

How to use Java math Commons curvefitter?

How do I fit a function to a set of data using math Commons curvefitter? I was told to use curvefitter with Levenberg ……

Java

2020-02-22

Java – stream lists are grouped

I'm looking for refactoring how to use streams in some of my code The first example is my current practice The second ……

Java

2020-02-22

Java – performance of log4j

I am developing a web application. I want to record some information to help me improve and observe the application (I……

Java

2020-02-22

java – IllegalArgumentException readExceptionFromParcel

I got this error from one of my users. I don't know how to solve it java. Lang.illegalargumentexception exception data……

Java

2020-02-22

Multithreading – what is saved in context switching?

Precisely saves and restores content in context switching between two threads >In the same process > between two……

Java

2020-02-22

Comment – @ singleton in Java EJB

I have an EJB that needs to be single and stateful because it will become a connection pool My question is: >If I d……

Java

2020-02-22

Java – the easiest way to index a collection’s attributes, which are themselves a collection

I have a list < foo > and want a guava Multimap < string, foo > we divide each tag of their collection <……

Java

2020-02-22

Java me – how to create a browser window in J2ME?

How to create a browser component in J2ME that can display web pages in applications? Is there an API available? Or is……

Java

2020-02-22

How to separate lists by using conditions of Java 8 streams

Consider the following codes: List<Integer> odd = new ArrayList<Integer>(); List<Integer> even = nu……

Java

2020-02-22

Java – insert the row and get the generated ID

I am trying to use spring's jdbctemplate class to insert a row into the MySQL table named transaction and get the gene……

Java

2020-02-22

Java – why does filesystemxmlapplicationcontext throw FileNotFoundException on existing files

resolvent

Java

2020-02-22

Why use negative int in toString method of integer class in Java SRC for mod operation

When I read the Java version of 1.7 0_ 09 source code, I found that the implementation of toString method of integer c……

Java

2020-02-22

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Java – get the result of searchresponse in elasticsearch

Add – javaagent to Tomcat 6 server, where can I put it and what format?

Java – how is this eclipse view formed?

JavaBeans comparison

Java – volatile in method signature?

Java – JDBC logging to file

Java – use workflow engine, state machine engine or scroll myself?

Java – what should you do?

Java – countdown timer without GUI

Java – real world example of applying command patterns

Java – bad practice – the class defines CompareTo (…) and uses object equals()

Java – how do I enable Maven profiles when the build version is not – snapshot?

Java – swing: hover over the radio button label on the translucent JPanel

Java – severe: unable to schedule event: eventbus com google. common. eventbus. SubscriberExceptionContext

Java – JUnit test method with random nature

JSF – integer gets the default value 0, which needs to be null in Java

Unit testing – unit testing is worth the effort, in a large and old (5yr) code base?

When adding another object, Java util. ConcurrentModificationException

Java – why do you return false and true?

Java – can spring MVC with JPA be used to update a subset of attributes on an entity?

How to use Java math Commons curvefitter?

Java – stream lists are grouped

Java – performance of log4j

java – IllegalArgumentException readExceptionFromParcel

Multithreading – what is saved in context switching?

Comment – @ singleton in Java EJB

Java – the easiest way to index a collection’s attributes, which are themselves a collection

Java me – how to create a browser window in J2ME?

How to separate lists by using conditions of Java 8 streams

Java – insert the row and get the generated ID

Java – why does filesystemxmlapplicationcontext throw FileNotFoundException on existing files

Why use negative int in toString method of integer class in Java SRC for mod operation

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