diff a/test/jdk/java/lang/reflect/Field/IsStrictInitTest.java b/test/jdk/java/lang/reflect/Field/IsStrictInitTest.java
--- /dev/null
+++ b/test/jdk/java/lang/reflect/Field/IsStrictInitTest.java
@@ -0,0 +1,131 @@
+/*
+ * Copyright (c) 2026, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @summary Test Field::isStrictInit on fields that have ACC_STRICT_INIT set or not set
+ *     in a selection of class file versions. ACC_STRICT_INIT is considered not set when
+ *     the class file version is not 71.65535.
+ * @modules java.base/jdk.internal.misc
+ * @run junit/othervm ${test.main.class}
+ * @run junit/othervm --enable-preview ${test.main.class}
+ */
+
+import java.lang.constant.ClassDesc;
+import java.lang.classfile.ClassFile;
+import java.lang.invoke.MethodHandles;
+import java.lang.reflect.Field;
+import java.lang.reflect.Modifier;
+import java.util.ArrayList;
+import java.util.stream.Stream;
+import jdk.internal.misc.PreviewFeatures;
+import static java.lang.classfile.ClassFile.ACC_FINAL;
+import static java.lang.classfile.ClassFile.ACC_IDENTITY;
+import static java.lang.classfile.ClassFile.ACC_STATIC;
+import static java.lang.classfile.ClassFile.ACC_STRICT_INIT;
+import static java.lang.classfile.ClassFile.JAVA_8_VERSION;
+import static java.lang.classfile.ClassFile.JAVA_25_VERSION;
+import static java.lang.classfile.ClassFile.PREVIEW_MINOR_VERSION;
+import static java.lang.constant.ConstantDescs.CD_Object;
+import static java.lang.constant.ConstantDescs.CD_int;
+import static java.lang.constant.ConstantDescs.CLASS_INIT_NAME;
+import static java.lang.constant.ConstantDescs.INIT_NAME;
+import static java.lang.constant.ConstantDescs.MTD_void;
+
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.Arguments;
+import org.junit.jupiter.params.provider.MethodSource;
+import static org.junit.jupiter.api.Assertions.*;
+
+class IsStrictInitTest {
+
+    /**
+     * Class file versions to test and whether to set the ACC_STRICT_INIT flag on the fields.
+     */
+    static Stream<Arguments> testCases() {
+        var cases = new ArrayList<Arguments>();
+        cases.add(Arguments.arguments(JAVA_8_VERSION, 0, false));
+        cases.add(Arguments.arguments(JAVA_8_VERSION, 0, true));
+        cases.add(Arguments.arguments(JAVA_25_VERSION, 0, false));
+        cases.add(Arguments.arguments(JAVA_25_VERSION, 0, true));
+        cases.add(Arguments.arguments(ClassFile.latestMajorVersion(), 0, false));
+        cases.add(Arguments.arguments(ClassFile.latestMajorVersion(), 0, true));
+        if (PreviewFeatures.isEnabled()) {
+            cases.add(Arguments.arguments(ClassFile.latestMajorVersion(), PREVIEW_MINOR_VERSION, false));
+            cases.add(Arguments.arguments(ClassFile.latestMajorVersion(), PREVIEW_MINOR_VERSION, true));
+        }
+        return cases.stream();
+    }
+
+    @ParameterizedTest
+    @MethodSource("testCases")
+    void testIsStrictInit(int majorVersion, int minorVersion, boolean strictInit) throws Exception {
+        byte[] classBytes = buildClass(majorVersion, minorVersion, strictInit);
+        Class<?> clazz = MethodHandles.lookup()
+                .defineHiddenClass(classBytes, false)
+                .lookupClass();
+
+        // ACC_STRICT_INIT flag should be ignored when not 71.65535
+        boolean expectStrictInit = strictInit && (minorVersion == PREVIEW_MINOR_VERSION);
+
+        // static field
+        Field f1 = clazz.getDeclaredField("aStaticField");
+        System.err.format("%s, accessFlags = %s%n", f1, f1.accessFlags());
+        assertTrue(Modifier.isStatic(f1.getModifiers()));
+        assertEquals(expectStrictInit, f1.isStrictInit());
+
+        // instance field
+        Field f2 = clazz.getDeclaredField("aField");
+        System.err.format("%s, accessFlags = %s%n", f2, f2.accessFlags());
+        assertFalse(Modifier.isStatic(f2.getModifiers()));
+        assertEquals(expectStrictInit, f2.isStrictInit());
+    }
+
+    /**
+     * Returns the class bytes for a class with a final static and final instance field.
+     * @param majorVersion major class file version
+     * @param minorVersion minor class file version
+     * @param strictInit true to set the ACC_STRICT_INIT flag on the fields
+     */
+    @SuppressWarnings("preview")
+    private byte[] buildClass(int majorVersion, int minorVersion, boolean strictInit) {
+        ClassDesc generateDesc = ClassDesc.of("TestClass");
+        int flags = ACC_FINAL | (strictInit ? ACC_STRICT_INIT : 0);
+        return ClassFile.of().build(generateDesc, builder -> builder
+                .withVersion(majorVersion, minorVersion)
+                .withFlags(ACC_IDENTITY)
+                .withField("aField", CD_int, flags)
+                .withField("aStaticField", CD_int,  ACC_STATIC | flags)
+                .withMethodBody(INIT_NAME, MTD_void, 0, cb -> cb
+                        .aload(0)
+                        .bipush(42)
+                        .putfield(generateDesc, "aField", CD_int)
+                        .aload(0)
+                        .invokespecial(CD_Object, INIT_NAME, MTD_void)
+                        .return_())
+                .withMethodBody(CLASS_INIT_NAME, MTD_void, ACC_STATIC, cb -> cb
+                        .bipush(73)
+                        .putstatic(generateDesc, "aStaticField", CD_int)
+                        .return_()));
+    }
+}