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Strip Leading and Trailing Spaces From Java String
... there a convenience method to strip any leading or trailing spaces from a Java String?
6 Answers
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How to get names of classes inside a jar file?
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Unfortunately, Java doesn't provide an easy way to list classes in the "native" JRE. That leaves you with a couple of options: (a) for any given JAR file, you can list the entries inside that JAR file, find the .class files, and then determ...
Java: What is the difference between and ?
...tializer) is marked as native... grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/…
– Cade Daniel
Apr 24 '18 at 20:52
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Double vs. BigDecimal?
...mal. Otherwise Doubles tend to be good enough.
I do recommend reading the javadoc of BigDecimal as they do explain things better than I do here :)
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How do I call one constructor from another in Java?
...structor parameters are used, consider a builder. See Item 2 of "Effective Java" by Joshua Bloch.
– koppor
Nov 13 '12 at 20:16
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“implements Runnable” vs “extends Thread” in Java
From what time I've spent with threads in Java, I've found these two ways to write threads:
42 Answers
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Java Mouse Event Right Click
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I've seen
anEvent.isPopupTrigger()
be used before. I'm fairly new to Java so I'm happy to hear thoughts about this approach :)
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Difference between int[] array and int array[]
...l. The int array[] syntax was only added to help C programmers get used to java.
int[] array is much preferable, and less confusing.
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The superclass “javax.servlet.http.HttpServlet” was not found on the Java Build Path [duplicate]
...click your project name in Eclipse Project Explorer -> Properties -> Java Build Path, and check Apache Tomcat server to add it to your Java Build Path.
– user1457659
Jan 21 '16 at 21:03
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How to call a stored procedure from Java and JPA
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JPA 2.1 now support Stored Procedure, read the Java doc here.
Example:
StoredProcedureQuery storedProcedure = em.createStoredProcedureQuery("sales_tax");
// set parameters
storedProcedure.registerStoredProcedureParameter("subtotal", Double.class, ParameterMode.IN);
stor...