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The performance impact of using instanceof in Java
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Modern JVM/JIC ..COuld you please mention from which java version these optimiszation have been covered?
– Ravisha
Dec 3 '10 at 9:50
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Eclipse RCP开发桌面程序 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...能够得到Eclipse的底层支持。更重要的是，我们可以利用Java创建象Eclipse这么漂亮的桌面程序。
我相信，在未来的几年里，RCP一定会变得非常流行。使用RCP，我们可以开发界面象Eclipse这样漂亮的桌面程序，比如医院管理...
What does Class mean in Java?
...ific type.
Reference about Generics and Wildcards: http://docs.oracle.com/javase/tutorial/java/generics/wildcards.html
Reference about Class object and reflection (the feature of Java language used to introspect itself): https://www.oracle.com/technetwork/articles/java/javareflection-1536171.html
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Cleanest way to build an SQL string in Java
...statement. Also, you can extract bind values in their order using jooq.org/javadoc/latest/org/jooq/Query.html#getBindValues(), or named bind values by their names using jooq.org/javadoc/latest/org/jooq/Query.html#getParams(). My answer just contains a very simplistic example... I'm not sure if this ...
How can I get screen resolution in java?
... have to use the getScreenResolution() method on Toolkit.
Resources :
javadoc - Toolkit.getScreenSize()
Java bug 5100801- Toolkit.getScreenSize() does not return the correct dimension on multimon, linux
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What is the difference between “Class.forName()” and “Class.forName().newInstance()”?
... Demo demo = (Demo) clazz.newInstance();
}
}
As explained in its javadoc, calling Class.forName(String) returns the Class object associated with the class or interface with the given string name i.e. it returns test.Demo.class which is affected to the clazz variable of type Class.
Then, c...
Eclipse count lines of code
... Lines of Code metrics by ignoring blank and comment-only lines or exclude Javadoc if you want. To do this check the tab at Preferences -> Metrics -> LoC.
That's it. There is no special option to exclude curly braces {}.
The plugin offers an alternative metric to LoC called Number of Stateme...
Java lib or app to convert CSV to XML file? [closed]
Is there an existing application or library in Java which will allow me to convert a CSV data file to XML file?
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Find where java class is loaded from
Does anyone know how to programmaticly find out where the java classloader actually loads the class from?
11 Answers
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Byte order mark screws up file reading in Java
I'm trying to read CSV files using Java. Some of the files may have a byte order mark in the beginning, but not all. When present, the byte order gets read along with the rest of the first line, thus causing problems with string compares.
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