chore: add @OverRide tag on some methods (#6304)

Author: nisiyong

apm-checkstyle/checkStyle.xml

@@ -105,6 +105,7 @@
         <module name="TypeName">
             <property name="format" value="(^[A-Z][a-zA-Z0-9]*$)|(^[A-Z][A-Z0-9]*(_[A-Z0-9]+)*$)"/>
         </module>
+        <module name="MissingOverride"/>
 
         <!--whitespace-->
         <module name="GenericWhitespace"/>

apm-commons/apm-datacarrier/src/main/java/org/apache/skywalking/apm/commons/datacarrier/common/AtomicRangeInteger.java

@@ -54,18 +54,22 @@ public final int get() {
         return this.values.get(VALUE_OFFSET);
     }
 
+    @Override
     public int intValue() {
         return this.values.get(VALUE_OFFSET);
     }
 
+    @Override
     public long longValue() {
         return this.values.get(VALUE_OFFSET);
     }
 
+    @Override
     public float floatValue() {
         return this.values.get(VALUE_OFFSET);
     }
 
+    @Override
     public double doubleValue() {
         return this.values.get(VALUE_OFFSET);
     }

apm-sniffer/apm-agent-core/src/main/java/org/apache/skywalking/apm/agent/core/context/CorrelationContext.java

@@ -176,6 +176,7 @@ void handle(AbstractSpan span) {
     /**
      * Clone the context data, work for capture to cross-thread.
      */
+    @Override
     public CorrelationContext clone() {
         final CorrelationContext context = new CorrelationContext();
         context.data.putAll(this.data);

apm-sniffer/apm-agent-core/src/main/java/org/apache/skywalking/apm/agent/core/context/util/ThrowableTransformer.java

@@ -37,10 +37,12 @@ public String convert2String(Throwable throwable, final int maxLength) {
             stackMessage.append(printExceptionInfo(causeException));
 
             boolean isLookDeeper = printStackElement(causeException.getStackTrace(), new AppendListener() {
+                @Override
                 public void append(String value) {
                     stackMessage.append(value);
                 }
 
+                @Override
                 public boolean overMaxLength() {
                     return stackMessage.length() > maxLength;
                 }

apm-sniffer/apm-agent-core/src/main/java/org/apache/skywalking/apm/agent/core/plugin/match/ProtectiveShieldMatcher.java

@@ -41,6 +41,7 @@ public ProtectiveShieldMatcher(ElementMatcher<? super T> matcher) {
         this.matcher = matcher;
     }
 
+    @Override
     public boolean matches(T target) {
         try {
             return this.matcher.matches(target);