diff --git a/src/java/field.cc b/src/java/field.cc
index c6aed65..f486509 100644
--- a/src/java/field.cc
+++ b/src/java/field.cc
@@ -91,3 +91,42 @@ JNIEXPORT jint JNICALL Java_pw3270_terminal_get_1next_1unprotected(JNIEnv *env, 
 
 
 }
+
+JNIEXPORT jint JNICALL Java_pw3270_terminal_get_1is_1protected(JNIEnv *env, jobject obj, jint baddr) {
+
+	jint rc = -1;
+
+	try {
+
+		rc = java::getHandle(env,obj)->get_is_protected((int) baddr);
+
+
+	} catch(std::exception &e) {
+
+		env->ThrowNew(env->FindClass("java/lang/Exception"), e.what());
+
+	}
+
+	return rc;
+
+
+}
+
+JNIEXPORT jint JNICALL Java_pw3270_terminal_get_1is_1protected_1at(JNIEnv *env, jobject obj, jint row, jint col) {
+
+	jint rc = -1;
+
+	try {
+
+		rc = java::getHandle(env,obj)->get_is_protected_at((int) row, (int) col);
+
+	} catch(std::exception &e) {
+
+		env->ThrowNew(env->FindClass("java/lang/Exception"), e.what());
+
+	}
+
+	return rc;
+
+
+}
diff --git a/src/java/plugin.cc b/src/java/plugin.cc
index d952178..f25b3a9 100644
--- a/src/java/plugin.cc
+++ b/src/java/plugin.cc
@@ -235,11 +235,11 @@
 	}
 
 	int get_is_protected(int baddr = -1) {
-		return lib3270_is_protected(hSession,baddr);
+		return lib3270_get_is_protected(hSession,baddr);
 	}
 
 	int get_is_protected_at(int row, int col) {
-		return lib3270_is_protected_at(hSession,row,col);
+		return lib3270_get_is_protected_at(hSession,row,col);
 	}
 
 	int set_copy(const char *text) {
diff --git a/src/java/sample/prot.java b/src/java/sample/prot.java
new file mode 100755
index 0000000..fae4073
--- /dev/null
+++ b/src/java/sample/prot.java
@@ -0,0 +1,26 @@
+
+import pw3270.*;
+
+public class prot
+{
+    public static void main (String[] args)
+    {
+        System.out.println("Begin");
+
+        try {
+
+            terminal host = new terminal();
+
+			host.popup_dialog(0,"19,39","Testing","Position 19,39 is " + (host.get_is_protected_at(19,39) == 0 ? "un" : "") + "protected");
+			host.popup_dialog(0,"20,39","Testing","Position 19,39 is " + (host.get_is_protected_at(20,39) == 0 ? "un" : "") + "protected");
+
+
+        } catch( Exception e ) {
+
+            System.out.println("Error: " + e);
+
+        }
+
+        System.out.println("End");
+    }
+};
diff --git a/src/java/terminal.java b/src/java/terminal.java
index 96652a9..ce737f4 100644
--- a/src/java/terminal.java
+++ b/src/java/terminal.java
@@ -316,6 +316,17 @@ public class terminal
 	public native int get_is_protected(int baddr);
 
 	/**
+	 * Check if the address is protected.
+	 *
+	 * @param row Screen row.
+	 * @param col Screen col.
+	 *
+	 * @return Protect state.
+	 *
+	 */
+	public native int get_is_protected_at(int row, int col);
+
+	/**
 	 * Get next field address.
 	 *
 	 * @return Address of the next field.
diff --git a/ui/80javasamples.xml b/ui/80javasamples.xml
index 5e96298..04e54b3 100644
--- a/ui/80javasamples.xml
+++ b/ui/80javasamples.xml
@@ -38,7 +38,7 @@
 			<menuitem name='java_except' action='java' label='Exception test' src='except'/>
 			<menuitem name='java_output' action='java' label='Output test' src='out'/>
 			<menuitem name='java_popup' action='java' label='Popup test' src='popup'/>
+			<menuitem name='java_protect' action='java' label='Protection test' src='prot'/>
 		</menu>
 	</menubar>
 </ui>
-
--
libgit2 0.21.2