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funcionarios/Employee.java

@@ -0,0 +1,51 @@
+package funcionarios;
+
+public class Employee {
+
+	private int id;
+	private String name;
+	private double salary;
+
+	public Employee () {}
+
+	public Employee(int id, String name, double salary) {
+		this.id = id;
+		this.name = name;
+		this.salary = salary;			
+	}
+
+	public int getId() {
+		return id;
+	}
+
+	public void setId(int id) {
+		this.id = id;
+	}
+
+	public String getName() {
+		return name;
+	}
+
+	public void setName(String name) {
+		this.name = name;
+	}
+
+	public double getSalary() {
+		return salary;
+	}
+
+	public void setSalary(double salary) {
+		this.salary = salary;
+	}
+
+	public void increaseSalary (Double percentage) {
+		salary += salary * percentage / 100;
+
+	}
+
+	public String toString() {
+		return id + ", " + name + ", " + String.format("%.2f", salary);
+	}
+
+
+}

funcionarios/Program.java

@@ -0,0 +1,78 @@
+package funcionarios;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Locale;
+import java.util.Scanner;
+
+public class Program {
+
+	public static void main(String[] args) {
+
+	Locale.setDefault(Locale.US);	
+	Scanner sc = new Scanner(System.in);	
+
+	List<Employee> list = new ArrayList<>();
+
+	System.out.print("How many employees will be registered?");
+	int n = sc.nextInt();
+
+    //List <Integer> id = new ArrayList<>();
+    //List <String> name = new ArrayList<>();    Nao serao necessarios.
+    //List <Double> salary = new ArrayList<>();  Instanciar um nome objeto com os 3 atributos. 
+
+    for (int i = 0; i < n; i++) {
+    	System.out.println();
+    	System.out.println("Employee #" + (i+1) + " :");
+    	System.out.print("Id: ");
+        Integer id = sc.nextInt();  
+        System.out.print("Name: ");
+        sc.nextLine();
+        String name = sc.nextLine(); 
+        System.out.print("Salary: ");
+        Double salary = sc.nextDouble(); 
+
+   // Criar um funcionario para instanciar os objetos. Dentro do 'for'.
+
+        Employee emp = new Employee (id, name, salary);
+        list.add(emp);    
+     }
+
+   System.out.println("Enter the employee id that will have salary increase:");
+   int idsalary = sc.nextInt(); 
+
+   Integer pos = position(list, idsalary);
+
+   // Outra forma de encontrar o id escrito em 'idsalary' dentro da lista 'list' formatada em 'Employee emp'
+   // Employee emp = list.stream().filter(x -> x.getId() == idsalary).findFirst().orElse(null);
+   // Colocar em comentario "Integer pos = position(list, idsalary);" Linha 43.
+
+   if (pos == null) {
+	   System.out.println("This id does not exist! "); }
+   else {
+	   System.out.print("Enter the percentage: ");
+	   double porcentage = sc.nextInt();
+	   list.get(pos).increaseSalary(porcentage);
+   }
+
+
+   System.out.println();
+   System.out.println("List of employee: ");
+   for (Employee emp : list) {
+	   System.out.println(emp);
+   }
+
+
+    sc.close();    
+
+}
+
+	public static Integer position(List<Employee> list, int id) {
+		for (int i=0; i < list.size(); i++) {
+			if (list.get(i).getId() == id); {
+			return i;
+	    	}
+    	}
+	return null;
+    }
+}