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Check if at least two out of three booleans are true
...!!b+!!c >= 2 to be very safe).
In response to TofuBeer's comparison of java bytecode, here is a simple performance test:
class Main
{
static boolean majorityDEAD(boolean a,boolean b,boolean c)
{
return a;
}
static boolean majority1(boolean a,boolean b,boolean c)
{
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How do I convert from int to Long in Java?
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In Java you can do:
int myInt=4;
Long myLong= new Long(myInt);
in your case it would be:
content.setSequence(new Long(i));
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Are static variables shared between threads?
My teacher in an upper level Java class on threading said something that I wasn't sure of.
7 Answers
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Java equivalent to #region in C#
...want to use regions for code folding in Eclipse ; how can that be done in Java?
21 Answers
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Ship an application with a database
...n order to work with a Sqlite database.)
package android.example;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import android.content.Context;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQL...
Why doesn't Java Map extend Collection?
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From the Java Collections API Design FAQ:
Why doesn't Map extend Collection?
This was by design. We feel that
mappings are not collections and
collections are not mappings. Thus, it
makes little sense for Map to extend
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Golang: How to pad a number with zeros when printing?
...d one will pad with spaces.
You can see it in action here: http://play.golang.org/p/cinDspMccp
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What's the difference between getPath(), getAbsolutePath(), and getCanonicalPath() in Java?
...ence between getPath() , getAbsolutePath() , and getCanonicalPath() in Java?
6 Answers
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Spring Java Config: how do you create a prototype-scoped @Bean with runtime arguments?
Using Spring's Java Config, I need to acquire/instantiate a prototype-scoped bean with constructor arguments that are only obtainable at runtime. Consider the following code example (simplified for brevity):
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Where to place and how to read configuration resource files in servlet based application?
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It's your choice. There are basically three ways in a Java web application archive (WAR):
1. Put it in classpath
So that you can load it by ClassLoader#getResourceAsStream() with a classpath-relative path:
ClassLoader classLoader = Thread.currentThread().getContextClassLoader()...