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Is there a goto statement in Java?
...out this. Most of us have been told that there isn't any goto statement in Java.
23 Answers
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JavaFX and OpenJDK
I'm trying to decide whether I could switch to JavaFX for the user interface of my Java application. Most of my users would be using the Oracle JRE, which has JavaFX integrated these days. However, some are using OpenJDK (on linux). This (old) question suggests that OpenJDK deals very badly with J...
Is there a Java API that can create rich Word documents? [closed]
...mpatible documents (*.doc), as well as corresponding PDF documents, from a Java Web application (a Struts/JSP framework).
OpenOffice UNO also lets you build MS-Office-compatible charts, spreadsheets, presentations, etc. We were able to dynamically build sophisticated Word documents, including ch...
Java: is there a map function?
I need a map function. Is there something like this in Java already?
6 Answers
6
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Should private helper methods be static if they can be static
...Something(0);
t.doSomething(0);
}
}
Bytecode (retrieved with javap -c -private TestBytecodeSize):
Compiled from "TestBytecodeSize.java"
class TestBytecodeSize extends java.lang.Object{
TestBytecodeSize();
Code:
0: aload_0
1: invokespecial #1; //Method java/lang/Object."&...
A JRE or JDK must be available in order to run Eclipse. No JVM was found after searching the followi
...t JRE install on a Windows machine. My JRE came along with the JDK and the Java 6 JDK installer didn't install the JRE properly somehow. A DLL file was missing in JDK's JRE installation. After I reinstalled the standalone JRE from http://java.com, overwriting the old one, the GlassFish installer con...
How to add minutes to my Date
...
In order to avoid any dependency you can use java.util.Calendar as follow:
Calendar now = Calendar.getInstance();
now.add(Calendar.MINUTE, 10);
Date teenMinutesFromNow = now.getTime();
In Java 8 we have new API:
LocalDateTime dateTime = LocalDateTime...
How does java do modulus calculations with negative numbers?
Am I doing modulus wrong? Because in Java -13 % 64 is supposed to evaluate to -13 but I get 51 .
14 Answers
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C++ lambda with captures as a function pointer
...nformation has no room for a state." -> How the hell can languages like Java accomplish this then? Well, of course, because that single, global function is created at runtime and embeds the state (or rather the reference to it) in its own code. That is the whole point - there should not be a sing...
Why is using a wild card with a Java import statement bad?
...pace. For example, let's say that you're writing a Swing app, and so need java.awt.Event, and are also interfacing with the company's calendaring system, which has com.mycompany.calendar.Event. If you import both using the wildcard method, one of these three things happens:
You have an outright ...