Update run-java.sh

Signed-off-by: SimiHunjan <simi.hunjan.k@gmail.com>

Author: SimiHunjan

.github/scripts/run-java.sh

@@ -7,4 +7,40 @@ if [[ -z "${OPERATOR_ID:-}" || -z "${OPERATOR_KEY:-}" ]]; then
   exit 2
 fi
 
-./gradlew -q run --stacktrace | tee java-output.txt
+OUTFILE="java-output.txt"
+: > "$OUTFILE"  # truncate/create
+
+echo "=== Java Examples Runner ==="           | tee -a "$OUTFILE"
+echo "Timestamp (UTC): $(date -u +'%Y-%m-%d %H:%M:%SZ')" | tee -a "$OUTFILE"
+echo "Network: ${HEDERA_NETWORK:-<unset>}"   | tee -a "$OUTFILE"
+echo "Mirror:  ${MIRROR_NODE_URL:-<unset>}"  | tee -a "$OUTFILE"
+echo ""                                       | tee -a "$OUTFILE"
+
+# If you pass an example FQN as an argument, run just that one:
+#   ./.github/scripts/run-java.sh examples.CreateAccountDemo
+if [[ $# -gt 0 ]]; then
+  FQN="$1"
+  echo "▶️  Running single example: $FQN" | tee -a "$OUTFILE"
+  set +e
+  ./gradlew -q runExample -PexampleClass="$FQN" --stacktrace --console=plain | tee -a "$OUTFILE"
+  STATUS=${PIPESTATUS[0]}
+  set -e
+  exit $STATUS
+fi
+
+# Otherwise run ALL discovered examples
+echo "▶️  Running all examples…" | tee -a "$OUTFILE"
+set +e
+./gradlew -q runAllExamples --stacktrace --console=plain | tee -a "$OUTFILE"
+STATUS=${PIPESTATUS[0]}
+set -e
+
+if [[ $STATUS -ne 0 ]]; then
+  echo "" | tee -a "$OUTFILE"
+  echo "❌ One or more examples failed." | tee -a "$OUTFILE"
+else
+  echo "" | tee -a "$OUTFILE"
+  echo "✅ All examples passed." | tee -a "$OUTFILE"
+fi
+
+exit $STATUS