Recent questions tagged java

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

java - Why does int i = 1024 * 1024 * 1024 * 1024 compile without error?

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149 views 1 answer

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

java - Why does the Sun JVM continue to consume ever more RSS memory even when the heap, etc sizes are stable?

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245 views 1 answer

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

java - Inspect in memory hsqldb while debugging

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292 views 1 answer

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

java - Logging error to stderr and debug, info to stdout with log4j

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508 views 1 answer

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

java - Why project Jigsaw / JPMS?

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283 views 1 answer

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

java - Why does this method print 4?

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91 views 1 answer

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

java - Why are composite keys discouraged in hibernate?

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245 views 1 answer

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

java - How to create custom annotation with code behind

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101 views 1 answer

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

java - What is the difference between log4j, slf4j and logback?

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347 views 1 answer

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

java - Difference between size and length methods?

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91 views 1 answer

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

java - How do you create a Spring MVC project in Eclipse?

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98 views 1 answer

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

java - Member variables vs setArguments in Fragments

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131 views 1 answer

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

java - How to query data out of the box using Spring data JPA by both Sort and Pageable?

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311 views 1 answer

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

java - What GUI libraries are the JetBrains using?

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102 views 1 answer

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

java - CompletableFuture<T> class: join() vs get()

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334 views 1 answer

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

java - Create a directory if it does not exist and then create the files in that directory as well

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140 views 1 answer

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

java - How do I retrieve query parameters in a Spring Boot controller?

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98 views 1 answer

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

java - Difference between the annotations @GetMapping and @RequestMapping(method = RequestMethod.GET)

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376 views 1 answer

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

java - How does the Garbage-First Garbage Collector work?

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108 views 1 answer

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

java - Generate war file from tomcat webapp folder

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276 views 1 answer

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

java - What is the difference between @ManyToOne(optional=false) vs. @Column(nullable=false)

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480 views 1 answer

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

java - initializing a Guava ImmutableMap

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215 views 1 answer

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

java - How to get the name of a class without the package?

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107 views 1 answer

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

java - Hibernate Many to Many Relations Set Or List?

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247 views 1 answer

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

java - Heap vs Stack vs Perm Space

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233 views 1 answer

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

java - Does a finally block run even if you throw a new Exception?

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205 views 1 answer

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

java - Why explicitly throw a NullPointerException rather than letting it happen naturally?

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229 views 1 answer

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

java - What does "implements" do on a class?

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109 views 1 answer

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