Infosys Java Training Material Pdf Link
List<Employee> list = new ArrayList<>(); list.sort(Comparator.comparing(Employee::getSalary).reversed()); 7. Multithreading & Concurrency Creating Threads // Method 1: Extend Thread class MyThread extends Thread public void run() /* task */
public PermanentEmployee(String empId, String name, double baseSalary, double bonus) super(empId, name); this.baseSalary = baseSalary; this.bonus = bonus; 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(); List<Employee> list = new ArrayList<>(); list
public interface TaxCalculator double calculateTax(double income); list = new ArrayList<
// getters & setters