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How many spaces will Java String.trim() remove?
In Java, I have a String like this:
17 Answers
17
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How to do a SOAP Web Service call from Java class?
...nd your problem boils down to how to call a SOAP (JAX-WS) web service from Java and get its returning object. In that case, you have two possible approaches:
Generate the Java classes through wsimport and use them; or
Create a SOAP client that:
Serializes the service's parameters to XML;
Calls t...
How do you specify the date format used when JAXB marshals xsd:dateTime?
...customize how a date type is written to XML.
package com.example;
import java.text.SimpleDateFormat;
import java.util.Date;
import javax.xml.bind.annotation.adapters.XmlAdapter;
public class DateAdapter extends XmlAdapter<String, Date> {
private final SimpleDateFormat dateFormat = new...
How to convert Set to String[]?
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From Java 7 we can use String[] GPXFILES1 = myset.toArray(new String[0]) and that's recommended. Update the answer. "Since late updates of OpenJDK 6 this call was intrinsified, making the performance of the empty array version th...
OSGi: What are the differences between Apache Felix and Apache Karaf?
...tform because it is feature rich" sounds a bit like going back to the huge Java EE application servers. Now I'm not saying that Apache Karaf is anywhere near as big as those, I am just making a point that you can and should just deploy what you actually need.
– Marcel Offermans...
How to get current time and date in Android
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You could use:
import java.util.Calendar
Date currentTime = Calendar.getInstance().getTime();
There are plenty of constants in Calendar for everything you need.
Edit:
Check Calendar class documentation
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When do you use varargs in Java?
...vocation. You can write code to build an array and pass it, or you can let Java do it for you when you choose to receive it in a varargs parameter.
– H2ONaCl
Dec 24 '15 at 23:01
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Installation error: INSTALL_PARSE_FAILED_MANIFEST_MALFORMED?
...LL_PARSE_FAILED_MANIFEST_MALFORMED error code is returned by PackageParser.java
when it detects any of a large number of errors in the manifest.xml file.
To isolate the error, look in logcat (when you do the 'adb install foo.apk' command). In the problem I encountered, logcat contained:
W/Activit...
Disable intellij indexing on specific folder
...e://$MODULE_DIR$">
<sourceFolder url="file://$MODULE_DIR$/src/main/java" isTestSource="false" />
<sourceFolder url="file://$MODULE_DIR$/src/main/resources" type="java-resource" />
<sourceFolder url="file://$MODULE_DIR$/src/test/features" type="java-test-resource" />
<...
How do you specify a byte literal in Java?
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You can use a byte literal in Java... sort of.
byte f = 0;
f = 0xa;
0xa (int literal) gets automatically cast to byte. It's not a real byte literal (see JLS & comments below), but if it quacks like a duck, I call it a duck.
What you can't ...