Java
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Java – Maven assembly plug-in Chmod output folder
I'm trying to use a maven assembly plug-in like this to build the zip of my project jar and all the libraries needed t…… -
Java – multiple counts in a single query – Oracle
I need to calculate two data in the same table for two time periods SELECT COUNT(CASE WHEN click_date…… -
Errors that require assistance in compiling basic Java programs
I'm new to Java I'm having trouble compiling basic Java programs, and I'm trying to understand why (note that the TEXT…… -
Java – a simple way to remove headers from XML files
I need to remove non - XML tags from a file generated by another program The document reads as follows: Executing Comm…… -
The wrong time zone is used in the Java Web service
I have a Jax - B Java Web service that I use to update the database Each row in the table I am updating is represented…… -
Java – using runtime getRuntime(). Exec run Excel
try { try { Runtime.getRuntime().exec("excel C:\\file.xls"); } catch (IOException ex) { System.out.println(ex)…… -
Java – third party object whose design pattern is “toString”
I have a third-party object that uses from Java ToString method inherited from lang.Object This method is useless But …… -
Java – how do I download new files only from the server?
I have many CSV files that I want to download from Yahoo Finance every day I want my application to read the creation …… -
How to wait and close the command prompt in Java
I use the following code to execute the batch file: java.lang.Runtime rt = java.lang.Runtime.getRuntime(); Process pr …… -
Java – the problem of converting integer to string
I want to add two numbers from the EditText field So far, I have the following code that I believe converts the EditTe…… -
Java – update jpprogressbar without knowing progress
I want to use JP progress bar, but I don't have any progress measurement about how long it takes to complete the task …… -
How to use java to get the index size in Solr
I need to use java to get the total size of the index in Apache Solr The following code gets the total number of docum…… -
java – ThreadLocal; Is it the same every time you create a copy of a variable?
I'm still confused about the concept of ThreadLocal I've read Javadoc and other related issues, but the terminology us…… -
Java – how to fix errors when inserting datetime into DB
I want to do this: pr.setStartdate("2006-09-10T00:00:00"); I received this error: java.sql.sqlDataException: The Synta…… -
When should I use Java in ColdFusion applications?
Of course, the respondents to the question know that ColdFusion is a Java EE application that can access all the under…… -
Java – Comparison of two strings
I have the following code: int t = s.length()-1; int g = 0; for (int i=0; i < s.length(); i++){ i…… -
Java – general reflection assistant method for equals and hashcode
I'm considering creating a reflection helper for equals and hashcode >In the case of equals, the helper method find…… -
Writing bash scripts from Java
I have a java program that writes bash scripts Unfortunately, when saving this script, I need to modify it (Ubuntu 10.…… -
Is there a C equivalent to Java concurrenthashmap#
I need a dictionary / HashMap in c# that allows you to do the following >The placement value does not iterate simul…… -
Java – warning: [rawtypes] found original type: defaultlistmodel
I got this warning from the compiler, which makes no sense (at least to me) It basically requires me to assign type to…… -
Java – delete the final file during catch vs. delete the temporary file during output file
This is in Java 6 I've seen people create temporary files, do something, and then rename them to output files more tha…… -
How to translate strings using Java?
I want a translation routine that allows me to effectively translate any character into any other character or charact…… -
java – super. Problems with paintcomponent (g)
This is a clip: protected void paintComponent(final Graphics g) { Runnable r=new Runnable() { @Override public …… -
How do I convert bufferedimage to / from an image?
I want to convert buffered image to Java awt. Image. My source image is TIF, so I use Jai to read it as planarimage: T…… -
Java – convert object to object []
The method in the library I'm using returns an object, but it's actually an array of objects I'm trapped where I need …… -
Java – Eclipse INI file; Parameters, meaning and best practice values
I want to fine tune my eclipse INI file to best adapt to my system and development environment http://wiki.eclipse.org…… -
Java – incorrect package names are allowed in eclipse
Some classes in my current project have bad package declarations (they are in the wrong folder of the declared package…… -
Why does Java require that the first line constructor should call the parent constructor? If we bypass this requirement, are there any traps?
I have the next code: class Foo { public Foo (String param) { ... } } class Bar extends Foo { public Bar () {…… -
Why do we need to rewrite equals and hashcode in Java, and why can’t we use the object class to implement them
Guys, please let me know why we need to override equals and hashcode in the real world, and we can't use equals and ha…… -
Java – how do I use relative paths instead of absolute paths?
So I have a strange question about Java I'm reading and writing files, so the path is very important to me I want all …… -
Create a java program to search for specific word files
I'm just learning that language and want to know what experience Java programmers will have in the following situation…… -
JPA criteriabuilder case query
Can anyone provide an example of how to write a case query using criteriabuilder? Solution The following is a sample c……