fixed quality checks

Signed-off-by: Rocky Thind <[email protected]>

Author: rockysingh

tools-and-tests/tools/src/main/java/org/hiero/block/tools/blocks/model/hashing/Hasher.java

@@ -7,7 +7,7 @@
  * Interface for a binary Merkle tree hasher using SHA-384 hashes.
  *
  * <p>Implementations of this interface compute Merkle tree root hashes following the
- * Block & State Merkle Tree Design specification. The design uses domain-separated
+ * Block and State Merkle Tree Design specification. The design uses domain-separated
  * hashing with the following prefix scheme:
  *
  * <ul>

tools-and-tests/tools/src/main/java/org/hiero/block/tools/blocks/model/hashing/HashingUtils.java

@@ -7,7 +7,7 @@
 import java.util.Objects;
 
 /**
- * Utility methods for Merkle tree hashing following the Block & State Merkle Tree Design.
+ * Utility methods for Merkle tree hashing following the Block and State Merkle Tree Design.
  *
  * <p>This class provides domain-separated hashing for Merkle tree nodes using SHA-384.
  * Domain separation is achieved through single-byte prefixes that ensure leaf hashes

tools-and-tests/tools/src/main/java/org/hiero/block/tools/blocks/model/hashing/InMemoryTreeHasher.java

@@ -17,12 +17,13 @@
 /**
  * A full in-memory Merkle tree hasher that stores all nodes, enabling Merkle path generation.
  *
- * <p>This implementation follows the Streaming Binary Merkle Tree algorithm from the Block & State
+ * <p>This implementation follows the Streaming Binary Merkle Tree algorithm from the Block and State
  * Merkle Tree Design specification, but additionally retains all leaf and internal node hashes.
  * This allows the generation of Merkle proofs (paths) for any leaf in the tree.
  *
  * <h2>Comparison with StreamingHasher</h2>
  * <table border="1">
+ *   <caption>Comparison of StreamingHasher and InMemoryTreeHasher</caption>
  *   <tr><th>Aspect</th><th>StreamingHasher</th><th>InMemoryTreeHasher</th></tr>
  *   <tr><td>Memory</td><td>O(log n)</td><td>O(n)</td></tr>
  *   <tr><td>Merkle paths</td><td>Not supported</td><td>Supported</td></tr>

tools-and-tests/tools/src/main/java/org/hiero/block/tools/blocks/model/hashing/StreamingHasher.java

@@ -16,7 +16,7 @@
 /**
  * A memory-efficient Merkle tree hasher that computes root hashes in a streaming fashion.
  *
- * <p>This implementation follows the Streaming Binary Merkle Tree algorithm from the Block & State
+ * <p>This implementation follows the Streaming Binary Merkle Tree algorithm from the Block and State
  * Merkle Tree Design specification. It supports adding leaves one at a time and computes the root
  * hash without storing the entire tree in memory.
  *