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Java's Interface and Haskell's type class: differences and similarities?
...t contain t). This is because with the kind of inheritance relationship in Java and similar languages, the method called depends on the type of object they are called on, and nothing else.
That means it's really hard to make things like add :: t -> t -> t with an interface, where it is polymo...
Finding the max/min value in an array of primitives using Java
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Using Commons Lang (to convert) + Collections (to min/max)
import java.util.Arrays;
import java.util.Collections;
import org.apache.commons.lang.ArrayUtils;
public class MinMaxValue {
public static void main(String[] args) {
char[] a = {'3', '5', '1', '4', '2'};
List...
What is a classpath and how do I set it?
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When programming in Java, you make other classes available to the class you are writing by putting something like this at the top of your source file:
import org.javaguy.coolframework.MyClass;
Or sometimes you 'bulk import' stuff by saying:
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“unmappable character for encoding” warning in Java
I'm currently working on a Java project that is emitting the following warning when I compile:
12 Answers
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How to use a wildcard in the classpath to add multiple jars? [duplicate]
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From: http://java.sun.com/javase/6/docs/technotes/tools/windows/classpath.html
Class path entries can contain the basename wildcard character *, which is considered equivalent to specifying a list of all the files in the directory wit...
Does Java SE 8 have Pairs or Tuples?
I am playing around with lazy functional operations in Java SE 8, and I want to map an index i to a pair / tuple (i, value[i]) , then filter based on the second value[i] element, and finally output just the indices.
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Why in Java 8 split sometimes removes empty strings at start of result array?
Before Java 8 when we split on empty string like
3 Answers
3
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The difference between the Runnable and Callable interfaces in Java
... Runnable and Callable interfaces when designing a concurrent thread in Java, why would you choose one over the other?
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Linux/Debian安装Java - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
Linux/Debian安装Javalinux_install_javaLinux Debian安装Java的步骤，建议安装默认的OpenJDK：OpenJDK是基于GPL许可证的免费的Java开发工具包，兼容商业版的Oracle Java。sudo apt-get update 更新apt-get包管理器s Linux/Debian安装Java的步骤，建议安装默...
Java 理论与实践: 线程池与工作队列 - 更多技术 - 清泛网 - 专注C/C++及内核技术
Java 理论与实践: 线程池与工作队列线程池有助于实现最佳资源利用率，贴在我们多线程 Java 编程论坛上最常见的问题之一是“怎样创建线程池？”。几乎在每个服务器应用程序中都会出现线程池和工作队列问题。本文中，Brian Go...