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BruceEckelBruceEckel
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Moving to SLF4J
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‎build.gradle

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dependencies {
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compile 'junit:junit:4.12'
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compile group: 'org.slf4j', name: 'slf4j-api', version: '1.7.+'
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compile group: 'ch.qos.logback', name: 'logback-classic', version: '1.+'
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// You can also use the JDK's built-in logging as the back end:
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// compile group: 'org.slf4j', name: 'slf4j-jdk14', version: '1.7.5'
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}
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sourceSets {

‎verifying/InfoLogging.java

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‎verifying/SLF4JLogging.java

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// verifying/SLF4JLogging.java
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// (c)2016 MindView LLC: see Copyright.txt
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// We make no guarantees that this code is fit for any purpose.
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// Visit http://mindviewinc.com/Books/OnJava/ for more book information.
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import org.slf4j.*;
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public class SLF4JLogging {
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private static final Logger logger =
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LoggerFactory.getLogger(SLF4JLogging.class);
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public static void main(String[] args) {
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logger.info("hello logging");
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}
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}
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/* Output:
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17:58:42.798 [main] INFO SLF4JLogging - hello logging
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*/

‎verifying/SimpleJUnit.java

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import org.junit.*;
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import static org.junit.Assert.*;
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// So we can see the list objects being created,
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// and keep track of when they are cleaned up:
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// Keeps track of list objects as they are
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// created and cleaned up:
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class CountedList extends ArrayList<String> {
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private static int counter = 0;
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private int id = counter++;

‎verifying/log4j2.xml

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