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Checking if a string is empty or null in Java [duplicate]
...tring which consists of spaces or special characters eg " " empty too. See java.lang.Character.isWhitespace API
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Eclipse - java.lang.ClassNotFoundException
...ut folder that maven would use.
For example, your web project's src/main/java should have target/classes under the web project, test classes should have target/test-classes also under the web project and so.
Using this configuration will allow you to execute unit tests in eclipse.
Just one more ...
how to create a Java Date object of midnight today and midnight tomorrow?
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java.util.Calendar
// today
Calendar date = new GregorianCalendar();
// reset hour, minutes, seconds and millis
date.set(Calendar.HOUR_OF_DAY, 0);
date.set(Calendar.MINUTE, 0);
date.set(Calendar.SECOND, 0);
date.set(Cale...
proper hibernate annotation for byte[]
...ersistent property or instance
variable of any of the following
types: Java primitive, types, wrappers
of the primitive types,
java.lang.String,
java.math.BigInteger,
java.math.BigDecimal,
java.util.Date,
java.util.Calendar, java.sql.Date,
java.sql.Time, java.sql.Timestamp,
byte[...
How to remove duplicate white spaces in string using Java?
... white spaces (including tabs, newlines, spaces, etc...) in a string using Java?
9 Answers
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Java: recommended solution for deep cloning/copying an instance
...ring if there is a recommended way of doing deep clone/copy of instance in java.
9 Answers
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Extract source code from .jar file
Is there a way to extract the source code from an executable .jar file (Java ME)?
10 Answers
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How would you implement an LRU cache in Java?
...kedHashMap</code> to do that, but that behavior is documented in the JavaDoc for
* <code>LinkedHashMap</code>.
* </p>
*
* @param eldest
* the <code>Entry</code> in question; this implementation doesn't care what it is, since the...
File changed listener in Java
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This is no longer true in Java 7: there's now an API for this that can hook into the OS's notification services: blogs.oracle.com/thejavatutorials/entry/…
– Arnout Engelen
Sep 29 '11 at 10:00
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Java 8 Lambda function that throws exception?
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Wow. Java is worse than I thought
– user275801
Jan 9 at 3:19
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