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Do subclasses inherit private fields?
...fferent than the notion of inheritance for a class. As is the case in the java world, where there is a question of semantics the arbiter is the Java Language Specification (currently 3rd edition).
As the JLS states (https://docs.oracle.com/javase/specs/jls/se8/html/jls-8.html#jls-8.2):
Membe...
What is the best way to tell if a character is a letter or number in Java without using regexes?
...way to recognize if a string.charAt(index) is an A-z letter or a number in Java without using regular expressions? Thanks.
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How to avoid java.util.ConcurrentModificationException when iterating through and removing elements
...er it I have to remove elements at the same time. Obviously this throws a java.util.ConcurrentModificationException .
20 A...
How to convert int[] to Integer[] in Java?
I'm new to Java and very confused.
13 Answers
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Java Enum definition
I thought I understood Java generics pretty well, but then I came across the following in java.lang.Enum:
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Get ID of last inserted document in a mongoDB w/ Java driver
...D (ObjectID) of the last inserted document of a mongoDB instance using the Java driver?
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How to import a class from default package
...h the default package. I have one class in default package - Calculations.java and I want to make the use of that class in any of the package (for instance in com.company.calc ). When I try to make the use of the class which is in the default package, it's giving me a compiler error. It's not abl...
split string only on first instance - java
...t I want it to split on first instance only. How can I do that ? Here is a JavaScript example for '_' char but it doesn't work for me
split string only on first instance of specified character
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互联网金融创业大赛收官 揭示创业三大风向标 - 资讯 - 清泛网 - 专注C/C++...
...，一则为物流公司提供贷款融资服务，二则建立运力交易系统，有效解决回程车辆的使用问题。另外，91物流邦还为商家搭建了一个代收货款的服务平台，能够实现巨量的资金流。91物流邦以真实运营数据为载体，建立起一个可...
Best way to build a Plugin system with Java
How would you implement a Plugin-system for your Java application?
8 Answers
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