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In Eclipse, what can cause Package Explorer “red-x” error-icon when all Java sources compile without
I'm using Eclipse for Java development. All my sources compile fine and the resulting application compiles fine. However, I keep getting an "red-x" error notification in the Package Explorer.
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Convert a byte array to integer in Java and vice versa
I want to store some data into byte arrays in Java. Basically just numbers which can take up to 2 Bytes per number.
8 Answe...
Parsing JSON Object in Java [duplicate]
...ays of JSON. Choose a json lib that performs well: github.com/fabienrenaud/java-json-benchmark
– fabien
Jun 27 '16 at 20:05
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What's causing my java.net.SocketException: Connection reset? [duplicate]
We are seeing frequent but intermittent java.net.SocketException: Connection reset errors in our logs. We are unsure as to where the Connection reset error is actually coming from, and how to go about debugging.
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In Objective-C, what is the equivalent of Java's “instanceof” keyword?
...nable (cast-able) to a variable of another type (e.g. SpecifiedType ). In Java, I can write:
3 Answers
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How to parse JSON in Java
...("post_id");
......
}
You may find more examples from: Parse JSON in Java
Downloadable jar: http://mvnrepository.com/artifact/org.json/json
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When should we use Observer and Observable?
...t might be that in the interview they did not ask you explicitly about the java.util.Observer and java.util.Observable but about the generic concept. The concept is a design pattern, which Java happens to provide support for directly out of the box to help you implement it quickly when you need it. ...
What's the difference between SoftReference and WeakReference in Java?
What's the difference between java.lang.ref.WeakReference and java.lang.ref.SoftReference ?
12 Answers
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What is the reason why “synchronized” is not allowed in Java 8 interface methods?
In Java 8, I can easily write:
2 Answers
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Fastest way to iterate over all the chars in a String
In Java, what would the fastest way to iterate over all the chars in a String, this:
8 Answers
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