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How to change the decimal separator of DecimalFormat from comma to dot/point?
...s like, e.g. String formatString = "#,###,###,##0.00"; see docs.oracle.com/javase/7/docs/api/java/text/DecimalFormat.html for syntax
– Vulpo
Mar 31 '16 at 13:55
...
How to implement a queue using two stacks?
...e, giving amortized constant time operations.
Here's an implementation in Java:
public class Queue<E>
{
private Stack<E> inbox = new Stack<E>();
private Stack<E> outbox = new Stack<E>();
public void queue(E item) {
inbox.push(item);
}
pu...
Converting a Date object to a calendar object [duplicate]
...al;
}
Everything else you are doing is both wrong and unnecessary.
BTW, Java Naming conventions suggest that method names start with a lower case letter, so it should be: dateToCalendar or toCalendar (as shown).
OK, let's milk your code, shall we?
DateFormat formatter = new SimpleDateFormat("...
AssertContains on strings in jUnit
...
assertThat(person.getName(), containsString("myName"));
// Error Message
java.lang.AssertionError:
Expected: a string containing "myName"
got: "some other name"
You can optional add an even more detail error message.
// Hamcrest assertion with custom error message
assertThat("my error mess...
Error-Handling in Swift-Language
......
}
Main differences between new Swift 2 & 3 error mechanism and Java/C#/C++ style exceptions are follows:
Syntax is a bit different: do-catch + try + defer vs traditional try-catch-finally syntax.
Exception handling usually incurs much higher execution time in exception path than in suc...
How to unzip a file using the command line? [closed]
...
If you already have java on your PC, and the bin directory is in your path (in most cases), you can use the command line:
jar xf test.zip
or if not in your path:
C:\Java\jdk1.6.0_03\bin>jar xf test.zip
Complete set of options for the ja...
Slowing speed of Viewpager controller in android
...onFactor(2); // make the animation twice as slow
ViewPagerCustomDuration.java:
import android.content.Context;
import android.support.v4.view.ViewPager;
import android.util.AttributeSet;
import android.view.animation.Interpolator;
import java.lang.reflect.Field;
public class ViewPagerCustomDura...
Why does the C preprocessor interpret the word “linux” as the constant “1”?
...rammers would simply avoid using those names for their own purposes.
The 1989 ANSI C standard introduced rules restricting what symbols an implementation could legally predefine. A macro predefined by the compiler could only have a name starting with two underscores, or with an underscore followed ...
Value Change Listener to JTextField
... you use a simpler ChangeListener rather than a DocumentListener. (It uses Java 8's lambda syntax, but you can adapt it for old Java if needed.)
/**
* Installs a listener to receive notification when the text of any
* {@code JTextComponent} is changed. Internally, it installs a
* {@link Document...
Where can I download Spring Framework jars without using Maven?
...r console Can you tell what console you're referring to here? I'm not from JAVA background so this is all new to me.
– asprin
Dec 6 '17 at 6:12
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