@Override
  public String toString() {
    final StringBuilder builder = new StringBuilder();
    for (int i = 0; i < entries.length; ++i) {
      builder.append(String.format("%n0x%04X ", i)).append(entries[i]);
    }
    return builder.toString();
  }
Size of entries.

@return the size
evm/src/main/java/org/hyperledger/besu/evm/internal/FixedStack.java