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How to read a single char from the console in Java (as the user types it)?
...asy way to read a single char from the console as the user is typing it in Java? Is it possible? I've tried with these methods but they all wait for the user to press enter key:
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Failed to load JavaHL Library
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If you do not need to use JavaHL, Subclipse also provides a pure-Java SVN API library -- SVNKit (http://svnkit.com). Just install the SVNKit client adapter and library plugins from the Subclipse update site and then choose it in the preferences under...
Why doesn't java.util.Set have get(int index)?
I'm sure there's a good reason, but could someone please explain why the java.util.Set interface lacks get(int Index) , or any similar get() method?
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Boolean vs boolean in Java
There are discussions around Integer vs int in Java. The default value of the former is null while in the latter it's 0 . How about Boolean vs boolean ?
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How can I use “.” as the delimiter with String.split() in java [duplicate]
What I am trying to do is read a .java file, and pick out all of the identifiers and store them in a list. My problem is with the .split() method. If you run this code the way it is, you will get ArrayOutOfBounds, but if you change the delimiter from "." to anything else, the code works. But I ne...
How to timeout a thread
...ad of Timer, here's an SSCCE:
package com.stackoverflow.q2275443;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutE...
Use of the MANIFEST.MF file in Java
...content of the Manifest file in a JAR file created with version 1.0 of the Java Development Kit is the following.
Manifest-Version: 1.0
All the entries are as name-value pairs. The name of a header is separated from its value by a colon. The default manifest shows that it conforms to version 1.0 ...
Why does the month argument range from 0 to 11 in JavaScript's Date constructor?
When initializing a new Date object in JavaScript using the below call, I found out that the month argument counts starting from zero.
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Best practices for exception management in Java or C# [closed]
... prefer error codes over exceptions when the latter is the default in both Java and C#?
As for your questions:
You should only catch exceptions that you can actually handle. Just
catching exceptions is not the right thing to do in most cases.
There are a few exceptions (e.g. logging and marshall...
How do we count rows using older versions of Hibernate (~2009)?
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In Java i usually need to return int and use this form:
int count = ((Long)getSession().createQuery("select count(*) from Book").uniqueResult()).intValue();
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