大约有 8,000 项符合查询结果(耗时:0.0305秒) [XML]

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How to enter quotes in a Java string?

I want to initialize a String in Java, but that string needs to include quotes; for example: "ROM" . I tried doing: 10 Ans...
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A variable modified inside a while loop is not remembered

... Mark Amery 98.9k4848 gold badges336336 silver badges379379 bronze badges answered May 31 '13 at 16:09 JensJens ...
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How to free memory in Java?

Is there a way to free memory in Java, similar to C's free() function? Or is setting the object to null and relying on GC the only option? ...
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Could not reserve enough space for object heap

... Doesn't work for me on Windows 8 with x86 or x64 Java. – AndrewSmiley Jul 27 '15 at 13:13  |  show 7 more comments ...
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Converting Long to Date in Java returns 1970

... tl;dr java.time.Instant // Represent a moment as seen in UTC. Internally, a count of nanoseconds since 1970-01-01T00:00Z. .ofEpochSecond( 1_220_227_200L ) // Pass a count of whole seconds since the same epoch...
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Maven build failed: “Unable to locate the Javac Compiler in: jre or jdk issue”

I have my JAVA_HOME set to: 32 Answers 32 ...
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Is an array an object in java

In java we can declare an array like 11 Answers 11 ...
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Unable to find valid certification path to requested target - error even after cert imported

I have a Java client trying to access a server with a self-signed certificate. 10 Answers ...
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How to do URL decoding in Java?

In Java, I want to convert this: 9 Answers 9 ...
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Is “Java Concurrency In Practice” still valid? [closed]

Is Java Concurrency in Practice still valid? I am wondering whether the ideas, concepts and implementation described in the book are still compliant with the latest Java versions. ...