JAVA-31265 Review log statements for projects - Week 8 - 2024 (#15939)

core-java-modules/core-java-collections/src/test/java/com/baeldung/hashtable/HashtableUnitTest.java

@@ -60,14 +60,15 @@ public class HashtableUnitTest {
         table.put(new Word("dog"), "another animal");
 
         Iterator<Word> it = table.keySet().iterator();
-        System.out.println("iterator created");
+        // System.out.println("iterator created");
 
         table.remove(new Word("dog"));
-        System.out.println("element removed");
+        // System.out.println("element removed");
 
         while (it.hasNext()) {
             Word key = it.next();
-            System.out.println(table.get(key));
+            // System.out.println(table.get(key));
+            assertNotNull(table.get(key));
         }
     }
 
@@ -85,12 +86,13 @@ public class HashtableUnitTest {
         table.put(new Word("8"), "eight");
 
         Enumeration<Word> enumKey = table.keys();
-        System.out.println("Enumeration created");
+        // System.out.println("Enumeration created");
         table.remove(new Word("1"));
-        System.out.println("element removed");
+        // System.out.println("element removed");
         while (enumKey.hasMoreElements()) {
             Word key = enumKey.nextElement();
-            System.out.println(table.get(key));
+            // System.out.println(table.get(key));
+            assertNotNull(table.get(key));
         }
     }
 
@@ -110,7 +112,8 @@ public class HashtableUnitTest {
         Iterator<Map.Entry<Word, String>> it = table.entrySet().iterator();
         while (it.hasNext()) {
             Map.Entry<Word, String> entry = it.next();
-            System.out.println(entry.getValue());
+            // System.out.println(entry.getValue());
+            assertNotNull(entry.getValue());
         }
     }
 

core-java-modules/core-java-concurrency-simple/src/test/resources/logback.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<configuration>
+    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
+            </pattern>
+        </encoder>
+    </appender>
+
+    <root level="INFO">
+        <appender-ref ref="STDOUT" />
+    </root>
+</configuration>

core-java-modules/core-java-httpclient/src/test/resources/logback.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<configuration>
+    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
+            </pattern>
+        </encoder>
+    </appender>
+
+    <root level="INFO">
+        <appender-ref ref="STDOUT" />
+    </root>
+
+    <logger name="org.eclipse.jetty.server.handler" level="WARN"/>
+    <logger name="org.mockserver.log" level="WARN"/>
+</configuration>

core-java-modules/core-java-security-4/src/main/java/com/baeldung/enablessldebug/SSLDebugLogger.java

@@ -23,9 +23,9 @@ public class SSLDebugLogger {
 
         try (BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()))) {
             String line;
-            logger.info("Response from " + url + ":");
+            logger.debug("Response from " + url + ":");
             while ((line = reader.readLine()) != null) {
-                logger.info(line);
+                logger.debug(line);
             }
         }
     }

core-java-modules/core-java-security-4/src/test/resources/logback.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<configuration>
+    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
+            </pattern>
+        </encoder>
+    </appender>
+
+    <root level="INFO">
+        <appender-ref ref="STDOUT" />
+    </root>
+</configuration>