大约有 9,000 项符合查询结果(耗时:0.0234秒) [XML]

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If using maven, usually you put log4j.properties under java or resources?

...our classpath in your run configuration: Run->Run Configurations...->Java Application->New select the Classpath tab, select Advanced and browse to your src/resources directory. share | impr...
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JSON Array iteration in Android/Java

... If you're using the JSON.org Java implementation, which is open source, you can just make JSONArray implement the Iterable interface and add the following method to the class: @Override public Iterator iterator() { return this.myArrayList.iterator()...
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How to check for a valid URL in Java?

What is the best way to check if a URL is valid in Java? 8 Answers 8 ...
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What do 3 dots next to a parameter type mean in Java?

... that method. See the "Arbitrary Number of Arguments" section here: http://java.sun.com/docs/books/tutorial/java/javaOO/arguments.html#varargs In your example, you could call it as any of the following: myMethod(); // Likely useless, but possible myMethod("one", "two", "three"); myMethod("solo"); my...
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Rounding a double to turn it into an int (java)

... import java.math.*; public class TestRound11 { public static void main(String args[]){ double d = 3.1537; BigDecimal bd = new BigDecimal(d); bd = bd.setScale(2,BigDecimal.ROUND_HALF_UP); // output is 3.15 Syste...
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How to convert a Binary String to a base 10 integer in Java

...ause I have to do a school project with conversions without using the ones java already has – bucksnort2 Oct 16 '13 at 13:46 ...
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How to return multiple values? [duplicate]

Is it possible to return two or more values from a method to main in Java? If so, how it is possible and if not how can we do? ...
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Long list of if statements in Java

... Instead of a HashMap you can use a Java enum, which gives you a well defined set of commands instead of a mushy map. You could have a getter in the enum: Command getCommand(); or even implement exec() as an abstract method in the enum, which each instance impl...
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Why aren't Java Collections remove methods generic?

... Josh Bloch and Bill Pugh refer to this issue in Java Puzzlers IV: The Phantom Reference Menace, Attack of the Clone, and Revenge of The Shift. Josh Bloch says (6:41) that they attempted to generify the get method of Map, remove method and some other, but "it simply did...
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What is the default scope of a method in Java?

...e permissive than private scope. More information: http://docs.oracle.com/javase/tutorial/java/javaOO/accesscontrol.html http://mindprod.com/jgloss/scope.html share | improve this answer |...