Infosys Java Training - Material Pdf

public interface TaxCalculator double calculateTax(double income);

// for-each (preferred over index loops) for (String name : nameList) System.out.println(name); Infosys Java Training Material Pdf

ExecutorService executor = Executors.newFixedThreadPool(10); executor.submit(() -> System.out.println("Task executed by: " + Thread.currentThread().getName()); ); executor.shutdown(); Synchronization public synchronized void increment() count++; // Better: Use AtomicInteger private AtomicInteger count = new AtomicInteger(0); count.incrementAndGet(); 8. File I/O and NIO Traditional I/O try (BufferedReader reader = new BufferedReader(new FileReader("data.txt"))) String line; while ((line = reader.readLine()) != null) System.out.println(line); catch (IOException e) e.printStackTrace(); ExecutorService executor = Executors.newFixedThreadPool(10)