[JAVA-32056] Upgrade spring-mvc-java-3 to Boot 3 (#16161)

spring-web-modules/spring-mvc-java-3/src/main/java/com/baeldung/filters/CacheRequestContentFilter.java

@@ -2,9 +2,9 @@ package com.baeldung.filters;
 
 import org.springframework.web.util.ContentCachingRequestWrapper;
 
-import javax.servlet.*;
-import javax.servlet.annotation.WebFilter;
-import javax.servlet.http.HttpServletRequest;
+import jakarta.servlet.*;
+import jakarta.servlet.annotation.WebFilter;
+import jakarta.servlet.http.HttpServletRequest;
 import java.io.IOException;
 
 @WebFilter(urlPatterns = "/*")

spring-web-modules/spring-mvc-java-3/src/test/java/com/baeldung/filters/HttpRequestUnitTest.java

@@ -1,16 +1,16 @@
 package com.baeldung.filters;
 
+import jakarta.servlet.Filter;
+import jakarta.servlet.ServletException;
+import jakarta.servlet.ServletInputStream;
+import jakarta.servlet.ServletRequest;
+import jakarta.servlet.http.HttpServletRequest;
 import org.junit.jupiter.api.Test;
 import org.springframework.mock.web.MockFilterChain;
 import org.springframework.mock.web.MockHttpServletRequest;
 import org.springframework.mock.web.MockHttpServletResponse;
 import org.springframework.web.util.ContentCachingRequestWrapper;
 
-import javax.servlet.Filter;
-import javax.servlet.ServletException;
-import javax.servlet.ServletInputStream;
-import javax.servlet.ServletRequest;
-import javax.servlet.http.HttpServletRequest;
 import java.io.IOException;
 
 import static org.junit.jupiter.api.Assertions.*;