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What is the easiest way to parse an INI file in Java?
I am writing a drop-in replacement for a legacy application in Java. One of the requirements is that the ini files that the older application used have to be read as-is into the new Java Application. The format of this ini files is the common windows style, with header sections and key=value pairs...
New features in java 7
What new features in java 7 is going to be implemented?
And what are they doing now?
8 Answers
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Convert Iterator to ArrayList
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In Java 8, you can use the new forEachRemaining method that's been added to the Iterator interface:
List<Element> list = new ArrayList<>();
iterator.forEachRemaining(list::add);
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Spring Boot + JPA : Column name annotation ignored
...rategyStandardImpl.toPhysicalColumnName(PhysicalNamingStrategyStandardImpl.java:46)
at org.hibernate.cfg.Ejb3Column.redefineColumnName(Ejb3Column.java:309)
at org.hibernate.cfg.Ejb3Column.initMappingColumn(Ejb3Column.java:234)
at org.hibernate.cfg.Ejb3Column.bind(Ejb3Column.java:206)
at org....
Evaluate empty or null JSTL c tags
...k blank string, I suggest following
<%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<c:if test="${empty fn:trim(var1)}">
</c:if>
It also handles nulls
...
How to convert a clojure keyword into a string?
...orToString) ;;Calling ConvertVectorToString Function
Output will be:
1234
java.lang.string
10
java.lang.string
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What is the best way to find the users home directory in Java?
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The bug you reference (bug 4787391) has been fixed in Java 8. Even if you are using an older version of Java, the System.getProperty("user.home") approach is probably still the best. The user.home approach seems to work in a very large number of cases. A 100% bulletproof solutio...
Convert Iterable to Stream using Java 8 JDK
I have an interface which returns java.lang.Iterable<T> .
9 Answers
9
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Jackson JSON custom serialization for certain fields
...xception {
jsonGenerator.writeObject(tmpInt.toString());
}
}
Java should handle the autoboxing from int to Integer for you.
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Gradle alternate to mvn install
... +--> build.gradle
root/build.gradle:
allprojects {
apply plugin: 'java'
apply plugin: 'maven'
group = 'myGroup'
version = '0.1-SNAPSHOT'
}
root/settings.gradle:
include 'sdk'
include 'example'
root/sdk/build.gradle:
dependencies {
// just an example external dep.
compile gr...