大约有 30,000 项符合查询结果（耗时：0.0300秒） [XML]
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...
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...
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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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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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 ...
Creating Unicode character from its number
I want to display a Unicode character in Java. If I do this, it works just fine:
13 Answers
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Java inner class and static nested class
...is the main difference between an inner class and a static nested class in Java? Does design / implementation play a role in choosing one of these?
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How do I initialize a byte array in Java?
I have to store some constant values (UUIDs) in byte array form in java, and I'm wondering what the best way to initialize those static arrays would be. This is how I'm currently doing it, but I feel like there must be a better way.
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