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How to fix: “No suitable driver found for jdbc:mysql://localhost/dbname” error when using pools? [du
....jar && wget http://central.maven.org/maven2/mysql/mysql-connector-java/5.1.27/mysql-connector-java-5.1.27.jar
– jmojico
Dec 17 '19 at 16:38
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What is a raw type and why shouldn't we use it?
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What is a raw type?
The Java Language Specification defines a raw type as follows:
JLS 4.8 Raw Types
A raw type is defined to be one of:
The reference type that is formed by taking the name of a generic type declaration without an accompanying typ...
Finding Key associated with max Value in a Java Map
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Would Java 8 streams usage help in simplifying this anymore? e.x: map.forEach((k,v) -> ...
– zkarthik
Dec 24 '14 at 17:04
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Uncatchable ChuckNorrisException
Is it possible to construct a snippet of code in Java that would make a hypothetical java.lang.ChuckNorrisException uncatchable?
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How can I get System variable value in Java?
...s either the current value of a system wide variable or a user variable in Java, see below:
String javaHome = System.getenv("JAVA_HOME");
For more information on environment variables see this wikipedia page.
Also make sure the environment variable you are trying to read is properly set before i...
How to call a method with a separate thread in Java?
...t = new Thread(myRunnable)
t.start();
}
}
Take a look at Java's concurrency tutorial to get started.
If your method is going to be called frequently, then it may not be worth creating a new thread each time, as this is an expensive operation. It would probably be best to use a thr...
How to generate UML diagrams (especially sequence diagrams) from Java code?
...w can I generate UML diagrams (especially sequence diagrams) from existing Java code?
16 Answers
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How to install JSTL? The absolute uri: http://java.sun.com/jstl/core cannot be resolved
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org.apache.jasper.JasperException: The absolute uri: http://java.sun.com/jstl/core cannot be resolved in either web.xml or the jar files deployed with this application
That URI is for JSTL 1.0, but you're actually using JSTL 1.2 which uses URIs with an additional /jsp path (because ...
Calculate date/time difference in java [duplicate]
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I would prefer to use suggested java.util.concurrent.TimeUnit class.
long diff = d2.getTime() - d1.getTime();//as given
long seconds = TimeUnit.MILLISECONDS.toSeconds(diff);
long minutes = TimeUnit.MILLISECONDS.toMinutes(diff);
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Which types can be used for Java annotation members?
...ents? I swear I google everytime before asking on StackOverlow and on many Java question someone posts a link to the JSL which answers my question. Why do I not find those pages via Google?!
– Daniel Rikowski
Sep 22 '09 at 7:17
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