Dec 2, 2021 · Discussion on specifying --add-opens at project level and ensuring its effective application in Java development.

Oct 2, 2019 · (1) applicationContext.xml is obsolete with Spring Boot. (2) Package names should use all lowercase; compare with your import statements. (3) @ComponentScan and similar configuration annotations are only activated when present on @Configuration classes (@SpringBootApplication includes that). (4) You need @EnableJpaRepositories on your …

Feb 7, 2013 · The flag Xmx specifies the maximum memory allocation pool for a Java Virtual Machine (JVM), while Xms specifies the initial memory allocation pool. This means that your JVM will be started with Xms amount of memory and will be able to use a maximum of Xmx amount of memory. For example, starting a JVM like below will start it with 256 MB of memory and will …

JAVA_HOME if you installed the JDK (Java Development Kit) or JRE_HOME if you installed the JRE (Java Runtime Environment). In the Variable Value field, enter your JDK or JRE installation path . Open Command Prompt as Administrator. Set the value of the Environment variable to your JDK (or JRE) installation path as follows:

Jul 22, 2011 · I'm trying to configure my e-mail on Jenkins/Hudson, and I constantly receive the error: java.security.InvalidAlgorithmParameterException: the trustAnchors parameter ...

0 In Java, == and the equals method are used for different purposes when comparing objects. Here's a brief explanation of the difference between them along with examples: == Operator: The == operator is used for reference comparison. It checks whether two references point to the exact same object in memory. Example: String str1 = new String ...

Nov 18, 2014 · java -version pause And after running this bat, I see right version of Java. But when I close this CMD and open a new one and type "java -version" it says that I still have 1.8.0_25. So it doesn't work. Second solution which I found is an application from this site. And it also doesn't work. The same effect as in the first solution. Any ideas?

Nov 15, 2013 · The double colon, i.e., the :: operator, was introduced in Java 8 as a method reference. A method reference is a form of lambda expression which is used to reference the existing method by its name.

Jun 30, 2015 · If is selected, click the 'New' button, select JDK and then select the correct path to the JDK e.g. /opt/java/jdk1.8 or c:\Java\Jdk1.8 3. Corrupt JDK There may be a problem with your JDK installation, re-install JDK 4. Re-import the project Close the project if it is open in IntelliJ Delete the .idea folder in the project source code folder.

Jul 12, 2011 · What is the best way to use the values stored in an Enum as String literals? For example: public enum Modes { some-really-long-string, mode1, mode2, mode3 } Then later I could use ...