Java exceptions extend RuntimeException - can be caught direclty.

src/lib_java/java_classes/exceptions/FileDoesNotExistException.java

@@ -1,5 +1,5 @@
 package vizdoom;
-public class FileDoesNotExistException extends Exception {
+public class FileDoesNotExistException extends java.lang.RuntimeException {
     public FileDoesNotExistException(String message) {
         super(message);
     }

src/lib_java/java_classes/exceptions/MessageQueueException.java

@@ -1,5 +1,5 @@
 package vizdoom;
-public class MessageQueueException extends Exception {
+public class MessageQueueException extends java.lang.RuntimeException {
     public MessageQueueException(String message) {
         super(message);
     }

src/lib_java/java_classes/exceptions/SharedMemoryException.java

@@ -1,5 +1,5 @@
 package vizdoom;
-public class SharedMemoryException extends Exception {
+public class SharedMemoryException extends java.lang.RuntimeException {
     public SharedMemoryException(String message) {
         super(message);
     }

src/lib_java/java_classes/exceptions/ViZDoomErrorException.java

@@ -1,5 +1,5 @@
 package vizdoom;
-public class ViZDoomErrorException extends Exception {
+public class ViZDoomErrorException extends java.lang.RuntimeException {
     public ViZDoomErrorException(String message) {
         super(message);
     }

src/lib_java/java_classes/exceptions/ViZDoomIsNotRunningException.java

@@ -1,5 +1,5 @@
 package vizdoom;
-public class ViZDoomIsNotRunningException extends Exception {
+public class ViZDoomIsNotRunningException extends java.lang.RuntimeException {
     public ViZDoomIsNotRunningException(String message) {
         super(message);
     }

src/lib_java/java_classes/exceptions/ViZDoomMismatchedVersionException.java

@@ -1,5 +1,5 @@
 package vizdoom;
-public class ViZDoomMismatchedVersionException extends Exception {
+public class ViZDoomMismatchedVersionException extends java.lang.RuntimeException {
     public ViZDoomMismatchedVersionException(String message) {
         super(message);
     }

src/lib_java/java_classes/exceptions/ViZDoomSignalException.java

@@ -1,5 +1,5 @@
 package vizdoom;
-public class ViZDoomSignalException extends Exception {
+public class ViZDoomSignalException extends java.lang.RuntimeException {
     public ViZDoomSignalException(String message) {
         super(message);
     }

src/lib_java/java_classes/exceptions/ViZDoomUnexpectedExitException.java

@@ -1,5 +1,5 @@
 package vizdoom;
-public class ViZDoomUnexpectedExitException extends Exception {
+public class ViZDoomUnexpectedExitException extends java.lang.RuntimeException {
     public ViZDoomUnexpectedExitException(String message) {
         super(message);
     }