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Get OS-level system information
I'm currently building a Java app that could end up being run on many different platforms, but primarily variants of Solaris, Linux and Windows.
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How to parse JSON in Scala using standard Scala classes?
...y easy to parse JSON code :P
package org.sqkb.service.common.bean
import java.text.SimpleDateFormat
import org.json4s
import org.json4s.JValue
import org.json4s.jackson.JsonMethods._
//import org.sqkb.service.common.kit.{IsvCode}
import scala.util.Try
/**
*
*/
case class Order(log: String) ...
Differences between Ant and Maven [closed]
...r used either. I understand that they are used to automate the building of Java projects, but I do not know where to start from.
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Remove all occurrences of char from string
...th arguments of that particular overload are CharSequence. docs.oracle.com/javase/7/docs/api/java/lang/…
– LukeH
Jul 4 '12 at 9:10
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Format an Integer using Java String Format
I am wondering if it is possible, using the String.format method in Java, to give an integer preceding zeros?
3 Answers
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How to pass a function as a parameter in Java? [duplicate]
In Java, how can one pass a function as an argument of another function?
8 Answers
8
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In Clojure how can I convert a String to a number?
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this gives me Exception in thread "main" java.lang.ClassNotFoundException: Integer.,
– maazza
Mar 31 at 8:15
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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...
System.currentTimeMillis vs System.nanoTime
...you a nanosecond-precise time, relative to some arbitrary point.
From the Java Documentation:
public static long nanoTime()
Returns the current value of the most precise available system timer, in nanoseconds.
This method can only be used to
measure elapsed time and is not
related ...
Is it good practice to make the constructor throw an exception? [duplicate]
... a checked exception for this2.
However explicitly declaring or throwing java.lang.Exception is almost always bad practice.
You should pick an exception class that matches the exceptional condition that has occurred. If you throw Exception it is difficult for the caller to separate this exceptio...