Merge pull request #7714 from dhruba619/master

BAEL-2974 Logger vs System.out

logging-modules/log4j2/src/main/java/com/baeldung/logging/log4j2/Log4j2ComparisonSysout.java

@@ -0,0 +1,18 @@
+package com.baeldung.logging.log4j2;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.PrintStream;
+
+public class Log4j2ComparisonSysout {
+
+    public static void main(String[] args) throws FileNotFoundException {
+        PrintStream outStream = new PrintStream(new File("outFile.txt"));
+        System.setOut(outStream);
+        System.out.println("This is a baeldung article");
+        
+        PrintStream errStream = new PrintStream(new File("errFile.txt"));
+        System.setErr(errStream);
+        System.err.println("This is a baeldung article error");
+    }
+}

logging-modules/log4j2/src/main/java/com/baeldung/logging/log4j2/Log4j2Example.java

@@ -0,0 +1,19 @@
+package com.baeldung.logging.log4j2;
+
+import org.apache.logging.log4j.Logger;
+import org.apache.logging.log4j.LogManager;
+
+public class Log4j2Example {
+
+    private static final Logger logger = LogManager.getLogger(Log4j2Example.class);
+
+    public static void main(String[] args) {
+        logger.debug("Debug log message");
+        logger.info("Info log message");
+        logger.error("Error log message");
+        logger.warn("Warn log message");
+        logger.fatal("Fatal log message");
+        logger.trace("Trace log message");
+    }
+
+}

logging-modules/log4j2/src/test/resources/log4j2.xml

@@ -5,8 +5,7 @@
         <xi:include
             href="log4j2-includes/console-appender_pattern-layout_colored.xml" />
         <Console name="ConsoleAppender" target="SYSTEM_OUT">
-            <PatternLayout
+            <PatternLayout pattern="%style{%date{DEFAULT}}{yellow} %highlight{%-5level}{FATAL=bg_red, ERROR=red, WARN=yellow, INFO=green} %message"/>
-                pattern="%d [%t] %-5level %logger{36} - %msg%n%throwable" />
         </Console>
         <Console name="ConsoleRedAppender" target="SYSTEM_OUT">
             <PatternLayout pattern="%style{%message}{red}%n" />