Simple Bank Account

Encapsulation · checked exceptions · transaction ledger · freeze/transfer

# compile
cd _projects/bank-account/src
javac *.java

# run full demo
java Main

── 1. Opening Accounts ──────────────────────────────────────
  ✓ Alice opened:  BankAccount{id='A1B2...', owner='Alice', balance=1000.00, ...}
  ✓ Bob opened:    BankAccount{id='C3D4...', owner='Bob',   balance=0.00, ...}

── 3. Withdrawals + InsufficientFundsException ─────────────
  ⚠ Caught InsufficientFundsException:
  ⚠   Attempted : $500.00
  ⚠   Available : $200.00
  ⚠   Shortfall : $300.00

── 5. Full Transaction History / Statement ──────────────────
  ACCOUNT STATEMENT — EVE  [ID: 7E87...]
  [2026-04-24 06:31:26]  OPENING       1000.00   Balance:    1000.00
  [2026-04-24 06:31:26]  DEPOSIT    +   500.00   Balance:    1500.00  (freelance invoice)
  [2026-04-24 06:31:26]  WITHDRAWAL -   120.00   Balance:    1380.00  (utilities)
  ...