大约有 9,000 项符合查询结果(耗时:0.0292秒) [XML]

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Get OS-level system information

I'm currently building a Java app that could end up being run on many different platforms, but primarily variants of Solaris, Linux and Windows. ...
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Remove all occurrences of char from string

...th arguments of that particular overload are CharSequence. docs.oracle.com/javase/7/docs/api/java/lang/… – LukeH Jul 4 '12 at 9:10 ...
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Format an Integer using Java String Format

I am wondering if it is possible, using the String.format method in Java, to give an integer preceding zeros? 3 Answers ...
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How to pass a function as a parameter in Java? [duplicate]

In Java, how can one pass a function as an argument of another function? 8 Answers 8 ...
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In Clojure how can I convert a String to a number?

... this gives me Exception in thread "main" java.lang.ClassNotFoundException: Integer., – maazza Mar 31 at 8:15 add a comment ...
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What is a raw type and why shouldn't we use it?

... What is a raw type? The Java Language Specification defines a raw type as follows: JLS 4.8 Raw Types A raw type is defined to be one of: The reference type that is formed by taking the name of a generic type declaration without an accompanying typ...
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Is it good practice to make the constructor throw an exception? [duplicate]

... a checked exception for this2. However explicitly declaring or throwing java.lang.Exception is almost always bad practice. You should pick an exception class that matches the exceptional condition that has occurred. If you throw Exception it is difficult for the caller to separate this exceptio...
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System.currentTimeMillis vs System.nanoTime

...you a nanosecond-precise time, relative to some arbitrary point. From the Java Documentation: public static long nanoTime() Returns the current value of the most precise available system timer, in nanoseconds. This method can only be used to measure elapsed time and is not related ...
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How to properly override clone method?

... Do you absolutely have to use clone? Most people agree that Java's clone is broken. Josh Bloch on Design - Copy Constructor versus Cloning If you've read the item about cloning in my book, especially if you read between the lines, you will know that I think clone is deeply broken...
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What is the difference between iterator and iterable and how to use them?

I am new in Java and I'm really confused with iterator and iterable. Can anyone explain to me and give some examples? 13 An...