Replace <code> with {@code} throughout Javadoc

Issue: SPR-10128

spring-context/src/test/java/org/springframework/aop/framework/AbstractAopProxyTests.java

@@ -437,7 +437,7 @@ public abstract class AbstractAopProxyTests {
 
 	/**
 	 * Test that the proxy returns itself when the
-	 * target returns <code>this</code>
+	 * target returns {@code this}
 	 */
 	@Test
 	public void testTargetReturnsThis() throws Throwable {

spring-context/src/test/java/org/springframework/jmx/AbstractMBeanServerTests.java

@@ -29,12 +29,12 @@ import org.springframework.util.MBeanTestUtils;
 
 /**
  * <strong>Note:</strong> the JMX test suite requires the presence of the
- * <code>jmxremote_optional.jar</code> in your classpath. Thus, if you
+ * {@code jmxremote_optional.jar} in your classpath. Thus, if you
  * run into the <em>"Unsupported protocol: jmxmp"</em> error, you will
  * need to download the
  * <a href="http://www.oracle.com/technetwork/java/javase/tech/download-jsp-141676.html">JMX Remote API 1.0.1_04 Reference Implementation</a>
- * from Oracle and extract <code>jmxremote_optional.jar</code> into your
- * classpath, for example in the <code>lib/ext</code> folder of your JVM.
+ * from Oracle and extract {@code jmxremote_optional.jar} into your
+ * classpath, for example in the {@code lib/ext} folder of your JVM.
  * See also <a href="https://issuetracker.springsource.com/browse/EBR-349">EBR-349</a>.
  *
  * @author Rob Harrop

spring-context/src/test/java/org/springframework/mock/jndi/ExpectedLookupTemplate.java

@@ -38,7 +38,7 @@ public class ExpectedLookupTemplate extends JndiTemplate {
 
 	/**
 	 * Construct a new JndiTemplate that will always return given objects
-	 * for given names. To be populated through <code>addObject</code> calls.
+	 * for given names. To be populated through {@code addObject} calls.
 	 * @see #addObject(String, Object)
 	 */
 	public ExpectedLookupTemplate() {

spring-context/src/test/java/org/springframework/mock/jndi/SimpleNamingContext.java

@@ -41,13 +41,13 @@ import org.springframework.util.StringUtils;
  * Mainly for test environments, but also usable for standalone applications.
  *
  * <p>This class is not intended for direct usage by applications, although it
- * can be used for example to override JndiTemplate's <code>createInitialContext</code>
+ * can be used for example to override JndiTemplate's {@code createInitialContext}
  * method in unit tests. Typically, SimpleNamingContextBuilder will be used to
  * set up a JVM-level JNDI environment.
  *
  * @author Rod Johnson
  * @author Juergen Hoeller
- * @see org.springframework.mock.jndi.SimpleNamingContextBuilder
+ * @see SimpleNamingContextBuilder
  * @see org.springframework.jndi.JndiTemplate#createInitialContext
  */
 public class SimpleNamingContext implements Context {

spring-context/src/test/java/org/springframework/mock/jndi/SimpleNamingContextBuilder.java

@@ -33,7 +33,7 @@ import org.springframework.util.ClassUtils;
  * Simple implementation of a JNDI naming context builder.
  *
  * <p>Mainly targeted at test environments, where each test case can
- * configure JNDI appropriately, so that <code>new InitialContext()</code>
+ * configure JNDI appropriately, so that {@code new InitialContext()}
  * will expose the required objects. Also usable for standalone applications,
  * e.g. for binding a JDBC DataSource to a well-known JNDI location, to be
  * able to use traditional J2EE data access code outside of a J2EE container.
@@ -63,7 +63,7 @@ import org.springframework.util.ClassUtils;
  * DataSource ds = new DriverManagerDataSource(...);
  * builder.bind("java:comp/env/jdbc/myds", ds);</pre>
  *
- * Note that you <i>should not</i> call <code>activate()</code> on a builder from
+ * Note that you <i>should not</i> call {@code activate()} on a builder from
  * this factory method, as there will already be an activated one in any case.
  *
  * <p>An instance of this class is only necessary at setup time.
@@ -74,7 +74,7 @@ import org.springframework.util.ClassUtils;
  * @see #emptyActivatedContextBuilder()
  * @see #bind(String, Object)
  * @see #activate()
- * @see org.springframework.mock.jndi.SimpleNamingContext
+ * @see SimpleNamingContext
  * @see org.springframework.jdbc.datasource.SingleConnectionDataSource
  * @see org.springframework.jdbc.datasource.DriverManagerDataSource
  * @see org.apache.commons.dbcp.BasicDataSource
@@ -92,7 +92,7 @@ public class SimpleNamingContextBuilder implements InitialContextFactoryBuilder
 	/**
 	 * Checks if a SimpleNamingContextBuilder is active.
 	 * @return the current SimpleNamingContextBuilder instance,
-	 * or <code>null</code> if none
+	 * or {@code null} if none
 	 */
 	public static SimpleNamingContextBuilder getCurrentContextBuilder() {
 		return activated;
@@ -129,8 +129,8 @@ public class SimpleNamingContextBuilder implements InitialContextFactoryBuilder
 
 	/**
 	 * Register the context builder by registering it with the JNDI NamingManager.
-	 * Note that once this has been done, <code>new InitialContext()</code> will always
-	 * return a context from this factory. Use the <code>emptyActivatedContextBuilder()</code>
+	 * Note that once this has been done, {@code new InitialContext()} will always
+	 * return a context from this factory. Use the {@code emptyActivatedContextBuilder()}
 	 * static method to get an empty context (for example, in test methods).
 	 * @throws IllegalStateException if there's already a naming context builder
 	 * registered with the JNDI NamingManager
@@ -156,7 +156,7 @@ public class SimpleNamingContextBuilder implements InitialContextFactoryBuilder
 	 * Temporarily deactivate this context builder. It will remain registered with
 	 * the JNDI NamingManager but will delegate to the standard JNDI InitialContextFactory
 	 * (if configured) instead of exposing its own bound objects.
-	 * <p>Call <code>activate()</code> again in order to expose this context builder's own
+	 * <p>Call {@code activate()} again in order to expose this context builder's own
 	 * bound objects again. Such activate/deactivate sequences can be applied any number
 	 * of times (e.g. within a larger integration test suite running in the same VM).
 	 * @see #activate()