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JBoss vs Tomcat again [closed]
... supports Servlet 3.0). JBoss AS, a 'complete' application server supports Java EE 6 (including Servlet 3.0) in its current version.
Tomcat is fairly lightweight and in case you need certain Java EE features beyond the Servlet API, you can easily enhance Tomcat by providing the required libraries a...
How to use java.String.format in Scala?
...a .format method of a string. But if I place %1, %2, etc. in the string, java.util.UnknownFormatConversionException is thrown pointing to a confusing Java source code piece:
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Reverse engineering from an APK file to a project
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There are two useful tools which will generate Java code (rough but good enough) from an unknown APK file.
Download dex2jar tool from dex2jar.
Use the tool to convert the APK file to JAR:
$ d2j-dex2jar.bat demo.apk
dex2jar demo.apk -> ./demo-dex2jar.jar
Once the JA...
How to resolve : Can not find the tag library descriptor for “http://java.sun.com/jsp/jstl/core” [du
...en I focus it the tag is : can not find the library descriptor for http://java.sun.com/jsp/jstl/core
17 Answers
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How to set a Timer in Java?
...ss that.
Setting a timer
First you need to create a Timer (I'm using the java.util version here):
import java.util.Timer;
..
Timer timer = new Timer();
To run the task once you would do:
timer.schedule(new TimerTask() {
@Override
public void run() {
// Your database code here
}
},...
How do I copy an object in Java?
... do that, read at least what Joshua Bloch has to say about it in Effective Java.
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How to use the toString method in Java?
...rintln("mystr.toString: " + mystr.toString());
output:- mystr.toString: [Ljava.lang.String;@13aaa14a
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How should I use try-with-resources with JDBC?
...ing an additional wrapper class?
package com.naveen.research.sql;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
public abstract class PreparedStatementWrapper implements AutoCloseable {
protected PreparedStatement stat...
Best XML parser for Java [closed]
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I think you should not consider any specific parser implementation. Java API for XML Processing lets you use any conforming parser implementation in a standard way. The code should be much more portable, and when you realise that a specific parser has grown too old, you can replace it with an...
How can I initialise a static Map?
How would you initialise a static Map in Java?
42 Answers
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