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CATALINA_OPTS vs JAVA_OPTS - What is the difference?
... out the difference between Apache Tomcat variables - CATALINA_OPTS and JAVA_OPTS in SO and surprised to see that there is no question/answer posted here yet. So I thought of sharing it here (with answer) after finding out the difference. Check the answer/difference below.
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Java Desktop application: SWT vs. Swing [closed]
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Pros Swing:
part of java library, no need for
additional native libraries
works the same way on all platforms
Integrated GUI Editor in Netbeans and Eclipse
good online tutorials by Sun/Oracle
Supported by official java extensions (like java Open...
Is there a destructor for Java?
Is there a destructor for Java? I don't seem to be able to find any documentation on this. If there isn't, how can I achieve the same effect?
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Choose between ExecutorService's submit and ExecutorService's execute
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I mean 'wrapped in a Future or not', of course. See the Javadoc for ScheduledThreadPoolExecutor#execute, for example.
– rxg
Jun 13 '13 at 9:28
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How do you kill a Thread in Java?
How do you kill a java.lang.Thread in Java?
16 Answers
16
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How to decompile a whole Jar file? [closed]
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2009: JavaDecompiler can do a good job with a jar: since 0.2.5, All files, in JAR files, are displayed.
See also the question "How do I “decompile” Java class files?".
The JD-Eclipse doesn't seem to have changed since late 200...
Are Javascript arrays sparse?
...0, 81, 82, 83,
84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95,
96, 97, 98, 99,
... 16777116 more items
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> console.log(`The script is using approximately ${Math.round(process.memoryUsage().heapUsed / 1024 / 1024 * 100) / 100} MB`);
The script is using approximately 819.94 MB
undefined
Bec...
How do I find out what keystore my JVM is using?
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Your keystore will be in your JAVA_HOME---> JRE -->lib---> security--> cacerts. You need to check where your JAVA_HOME is configured, possibly one of these places,
Computer--->Advanced --> Environment variables---> JAVA_HOME
Your ...
What's the best way to build a string of delimited items in Java?
While working in a Java app, I recently needed to assemble a comma-delimited list of values to pass to another web service without knowing how many elements there would be in advance. The best I could come up with off the top of my head was something like this:
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How do I get my Maven Integration tests to run
...ct and in each of my child modules I have JUnit tests that are named Test.java and Integration.java for unit tests and integration tests respectively. When I execute:
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