はてなブックマーク

final Environment env = Environments.newInstance("/home/me/.myData"); final Store store = env.computeInTransaction(txn -> env.openStore("Messages", WITHOUT_DUPLICATES, txn)); env.executeInTransaction((txn) -> { store.put(txn, stringToEntry("Hello"), stringToEntry("World!")); }); out.println(env.computeInTransaction(txn -> entryToString(store.get(txn, stringToEntry("Hello"))))); env.close(); Gettin

Your typical test code Here’s some typical test code found in many codebases @Test public void testCalculateTaxRate() { TaxRateCalculator calculator = new TaxRateCalculator(); Int value = calculator.calculateRate(200, 10); assertEquals(300,value); } This code suffers from several issues. Under what conditions is the tax rate calculated? What exactly is it doing? What is the expected outcome? Being