Training Material Pdf - Infosys Java

public abstract double calculateSalary();

public interface TaxCalculator double calculateTax(double income); Infosys Java Training Material Pdf

// getters & setters

@Override public double calculateSalary() return baseSalary + bonus; public abstract double calculateSalary()

public PermanentEmployee(String empId, String name, double baseSalary, double bonus) super(empId, name); this.baseSalary = baseSalary; this.bonus = bonus; public PermanentEmployee(String empId

// Derived class public class PermanentEmployee extends Employee private double baseSalary; private double bonus;

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();