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Java 8 method references: provide a Supplier capable of supplying a parameterized result
...ise you will get an error message like MyException cannot be converted to java.lang.RuntimeException
Update:- This was an issue with an older version of JDK. I don't see this issue with the latest versions.
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Calculating the difference between two Java date instances
I'm using Java's java.util.Date class in Scala and want to compare a Date object and the current time. I know I can calculate the delta by using getTime():
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IntelliJ gives Fatal Error: Unable to find package java.lang in classpath or bootclasspath
...I removed my old JSDK and added it again, but it does not work. I am using Java 2016.3
– mtber75
Dec 1 '16 at 14:09
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Java to Clojure rewrite
...een asked by my company to rewrite a largish (50,000 single lines of code) Java application (a web app using JSP and servlets) in Clojure. Has anyone else got tips as to what I should watch out for?
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What does Class mean in Java?
...ific type.
Reference about Generics and Wildcards: http://docs.oracle.com/javase/tutorial/java/generics/wildcards.html
Reference about Class object and reflection (the feature of Java language used to introspect itself): https://www.oracle.com/technetwork/articles/java/javareflection-1536171.html
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Double decimal formatting in Java
...h is probably different from those of Nambari. Have a look at NumberFormat javadoc : docs.oracle.com/javase/1.4.2/docs/api/java/text/…
– Michael Zilbermann
Oct 9 '12 at 18:54
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initializing a boolean array in java
... would cause ArrayIndexOutOfBoundsException. To learn more about arrays in Java, consult this basic Oracle tutorial.
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Whitespace Matching Regex - Java
The Java API for regular expressions states that \s will match whitespace. So the regex \\s\\s should match two spaces.
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Error: Could not find or load main class [duplicate]
I am having trouble compiling and running my Java code, intended to allow me to interface Java with a shared object for Vensim, a simulation modeling package.
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GUI not working after rewriting to MVC
...n questions about Swing controllers are addressed here and here.
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.EventQueue;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.event.ActionEvent;
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