Recent questions tagged java

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - Spark - Group by HAVING with dataframe syntax?

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159 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - multiple classes in a single file : modifier private not allowed here

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388 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - Initial job has not accepted any resources; check your cluster UI to ensure that workers are registered and have sufficient resources

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536 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - What is the significance of the POM file that Maven places in a JAR file, is it used by anything?

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255 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - Output ArrayList to String without [,] (brackets) appearing

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236 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - IllegalAccessError when using a public method reference of a package-private class through a public subclass from another package

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267 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - Can I access an outer class's field from a static inner class?

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444 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - Hibernate not respecting MySQL auto_increment primary key field

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349 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - Equality between 2 HashMap

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232 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - Get reference to Thread Object from its ID

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151 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - How can I initialize an array without knowing its size?

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352 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - How to expose a method using GSon?

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182 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - Why does `System.out.println(null);` give "The method println(char[]) is ambiguous for the type PrintStream error"?

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448 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - JavaFX equivalent of Swing's pack()

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321 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - Can't access to files in resources directory with Maven (with Eclipse IDE)

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240 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - Why byte b = (byte) 0xFF is equals to integer -1?

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290 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - JSR 310 :: System.currentTimeMillis() vs Instant.toEpochMilli() :: TimeZone

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460 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - How to find if String contains html data?

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196 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - Does JUnit support properties files for tests?

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129 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - Sleep and check until condition is true

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632 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - how to find before and after sub-string in a string

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152 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - HTTP Status 405 - Request method 'POST' not supported (Spring MVC)

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774 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - How to handle order of messages in JMS?

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287 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - Can Random.nextgaussian() sample values from a distribution with different mean and standard deviation?

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467 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - Get number format from OS

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209 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - Common HTTPclient and proxy

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225 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - Dynamically change JComboBox

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415 views 1 answer

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - Required String parameter is not present error in Spring MVC

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998 views 1 answer

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