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Create a custom event in Java
I want to do something like this in Java but I don't know the way:
4 Answers
4
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IntelliJ IDEA JDK configuration on Mac OS
...ble under IntelliJ IDEA File menu.
Direct JDK path after the recent Apple Java update is:
/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home
In IDEA you can configure the new JSDK in File | Project Structure, select SDKs on the left, then press [+] button, then specify the above JD...
Java8: Why is it forbidden to define a default method for a method from java.lang.Object
Default methods are a nice new tool in our Java toolbox. However, I tried to write an interface that defines a default version of the toString method. Java tells me that this is forbidden, since methods declared in java.lang.Object may not be default ed. Why is this the case?
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log4j logging hierarchy order
...are integer variables for proof docjar.com/html/api/org/apache/log4j/Level.java.html
– the.malkolm
Oct 13 '11 at 7:25
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Java: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification
...m your browser and add it to cacerts file of your JVM. You can either edit JAVA_HOME/jre/lib/security/cacerts file or run you application with -Djavax.net.ssl.trustStore parameter. Verify which JDK/JRE you are using too as this is often a source of confusion.
See also: How are SSL certificate serve...
Difference between a Seq and a List in Scala
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In Java terms, Scala's Seq would be Java's List, and Scala's List would be Java's LinkedList.
Note that Seq is a trait, which is equivalent to Java's interface, but with the equivalent of up-and-coming defender methods. Scala's...
What is a 'SAM type' in Java?
Reading up on the Java-8 spec, I keep seeing references to 'SAM types'. I haven't been able to find a clear explanation of what this is.
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C# version of java's synchronized keyword?
Does c# have its own version of the java "synchronized" keyword?
5 Answers
5
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Change date format in a Java string
..."));
System.out.println(newstring); // 2011-01-18
Or, when you're not on Java 8 yet, use SimpleDateFormat#parse() to parse a String in a certain pattern into a Date.
String oldstring = "2011-01-18 00:00:00.0";
Date date = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.S").parse(oldstring);
Use Simpl...
How do I get whole and fractional parts from double in JSP/Java?
How do I get whole and fractional parts from double in JSP/Java ? If the value is 3.25 then I want to get fractional =.25 , whole = 3
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