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Why is the String class declared final in Java?
From when I learned that the class java.lang.String is declared as final in Java, I was wondering why that is. I didn't find any answer back then, but this post: How to create a replica of String class in Java? reminded me of my query.
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.gitignore is ignored by Git
...sh removing files from .gitignore file."
// For example, if you want the .java type file to be tracked again,
// The command should be:
// git add -f *.java
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What does “The APR based Apache Tomcat Native library was not found” mean?
...allows optimal performance in production environments was not found on the java.library.path"
The library referred to is bundled into an OS specific dll (tcnative-1.dll) loaded via JNI. It allows tomcat to use OS functionalities not provided in the Java Runtime (such as sendfile, epoll, OpenSSL, sy...
Java Look and Feel (L&F) [closed]
I am developing a desktop application with Java Swing for my personal use.I am in need of some beautiful Look and Feel for my application. How can I do it using Java or a 3rd party API?
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How can a string be initialized using “ ”?
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Java String is Special
The designers of Java decided to retain primitive types in an object-oriented language, instead of making everything an object, so as to improve the performance of the language. Primitives are store...
Creating an array of objects in Java
I am new to Java and for the time created an array of objects in Java.
8 Answers
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How can I interrupt a ServerSocket accept() method?
... Strange, that there is no this info in docs: download.oracle.com/javase/6/docs/api/java/net/… method is not marked as throwing SocketException. It is only mentioned here download.oracle.com/javase/1.4.2/docs/api/java/net/…
– Vladislav Rastrusny
Ap...
Can two Java methods have same name with different return types? [duplicate]
Can two Java methods have the same name with different return type ? The return type of the methods are different and they are declared with the same method's name.
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Create ArrayList from array
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@Adam Please study the javadoc for java.util.List. The contract for add allows them to throw an UnsupportedOperationException. docs.oracle.com/javase/7/docs/api/java/util/… Admittedly, from an object-oriented perspective it is not very nice that...
I don't remember my android debug.keystore password
...your suggestion it gives me error; Enter keystore password: keytool error: java.lang.Exception: Alias <aliasname> does not exist java.lang.Exception: Alias <aliasname> does not exist at sun.security.tools.KeyTool.doPrintEntry(Unknown Source) at sun.security.tools.KeyTool....