Java Archives - Page 326 of 336

Multidimensional Arrays lengths in Java

This will give you the length of the array at index i It’s important to note that unlike C or C++, the length of ...

April 1, 2022
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toring and Retrieving ArrayList values from hashmap

Our variable: Map<String, List<Integer>> map = new HashMap<String, List<Integer>>(); To store: map.put("mango", new ArrayList<Integer>(Arrays.asList(0, 4, 8, 9, 12))); To add numbers one and ...

April 1, 2022
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Spring boot: Unable to start embedded Tomcat servlet container

April 1, 2022
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Could not transfer artifact org.apache.maven.plugins:maven-surefire-plugin:pom:2.7.1 from/to central (http://repo1.maven.org/maven2)

April 1, 2022
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Conversion from Long to Double in Java

April 1, 2022
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SQL Developer with JDK (64 bit) cannot find JVM

I just wasted one morning trying to get SQL developer to work on my current setup: OS: Windows 8.1 virtual machine running on ...

April 1, 2022
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Mockito : do Vs thenReturn

April 1, 2022
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Java regex email

FWIW, here is the Java code we use to validate email addresses. The Regexp’s are very similar: public static final Pattern VALID_EMAIL_ADDRESS_REGEX = ...

April 1, 2022
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Maven dependency update on commandline

April 1, 2022
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Java Swing revalidate() vs repaint()

You need to call repaint() and revalidate(). The former tells Swing that an area of the window is dirty (which is necessary to erase the image ...

April 1, 2022
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