Recent questions tagged java

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - Buiding Hadoop with Eclipse / Maven - Missing artifact jdk.tools:jdk.tools:jar:1.6

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510 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - Avoid printStackTrace(); use a logger call instead

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273 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - How can I replace two strings in a way that one does not end up replacing the other?

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98 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - Graphing the pitch (frequency) of a sound

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281 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - Graph Visualisation (like yFiles) in JavaFX

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196 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - Android Intent Context Confusing

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123 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - IntelliJ IDEA way of editing multiple lines

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124 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - Why the odd performance curve differential between ByteBuffer.allocate() and ByteBuffer.allocateDirect()

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150 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - What could cause global Tomcat/JVM slowdown?

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212 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - What are Dynamic Proxy classes and why would I use one?

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123 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - Declaring multiple arrays with 64 elements 1000 times faster than declaring array of 65 elements

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176 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - Why an interface can not implement another interface?

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115 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - How to tell if JRE or JDK is installed

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282 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - Reuse a parameter in String.format?

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172 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - Why do spring/hibernate read-only database transactions run slower than read-write?

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199 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - Reason for calling shutdown() on ExecutorService

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210 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - side effect for increasing maxpermsize and max heap size

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250 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - Mocking member variables of a class using Mockito

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318 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - Get boolean from database using Android and SQLite

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103 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - How to refresh JPA entities when backend database changes asynchronously?

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135 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - JBoss AS 7: How to clean up tmp?

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177 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - Why do JVM arguments start with "-D"?

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200 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - @UniqueConstraint and @Column(unique = true) in hibernate annotation

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349 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - Best Practice: Initialize JUnit class fields in setUp() or at declaration?

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198 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - How to convert nanoseconds to seconds using the TimeUnit enum?

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300 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - Arrays.asList() vs Collections.singletonList()

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467 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - IntelliJ does not show 'Class' when we right click and select 'New'

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97 views 1 answer

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - Young , Tenured and Perm generation

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255 views 1 answer

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