Recent Posts
-
Java – detects when the user has finished resizing the SWT shell
I have a resizable SWT shell Every time I resize, I have to do something computationally intensive I can register a co…… -
java – Bold titledBorder
I tried UIManager.getDefaults().put("TitledBorder.font",Font.BOLD); contentPanel.setBorder(new TitledBorder("Client Do…… -
How to convert list to HashMap
How can I convert this: Map<String,Integer> itemsBought So I can add it to the ArrayList as follows: public void…… -
Java – how do you handle the generated code?
What is a good strategy for handling generated code? One of our projects uses Apache CXF's wsdl2 Java tool to generate…… -
Java – what did I miss, or varargs break arrays asList？
private void activateRecords(long[] stuff) { private void activateRecords(long[] stuff) { ... api.activateReco…… -
Field assignment in Java foreach declaration
I know that the foreach loop used in the following example cannot be compiled But does anyone know why fields are not …… -
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…… -
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…… -
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 …… -
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…… -
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 () {…… -
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…… -
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 – 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 …… -
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 – super. Problems with paintcomponent (g)
This is a clip: protected void paintComponent(final Graphics g) { Runnable r=new Runnable() { @Override public …… -
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 – 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…… -
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…… -
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…… -
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.…… -
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…… -
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…… -
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 – 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…… -
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…… -
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 – 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 …… -
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…… -
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 – 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 …… -
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 ……