implement solution

Author: SteffenLm

Employee.java

@@ -22,6 +22,19 @@ public int getSalary() {
     return salary;
   }
 
+  public void setSalary(int salary) throws SalaryDecreaseException, SalaryIncreaseTooHighException {
+    if (this.salary > salary) {
+      throw new SalaryDecreaseException();
+    }
+
+    double change = (double) (salary - this.salary) / this.salary;
+    if (change > 0.1) {
+      throw new SalaryIncreaseTooHighException();
+    }
+
+    this.salary = salary;
+  }
+
   public void print() {
     System.out.println(employeeId + " - " + getName() + " - " + salary + "€");
   }

Exercise.java

@@ -17,6 +17,14 @@ public static void main(String[] args) {
     company.addEmployee(new Employee(4, new Person("Peter Schneider"), 55000));
     company.addEmployee(new Employee(5, new Person("Miriam Albers"), 90000));
 
+    try {
+      e1.setSalary(55000);
+      e2.setSalary(77000);
+      e3.setSalary(45000);
+    } catch (SalaryDecreaseException | SalaryIncreaseTooHighException e) {
+      System.err.println(e.getMessage());
+    }
+
     company.print();
   }
 }

SalaryDecreaseException.java

@@ -0,0 +1,8 @@
+public class SalaryDecreaseException extends Exception {
+
+  private static final long serialVersionUID = 1L;
+
+  public SalaryDecreaseException() {
+    super("Das neue Gehalt muss hoeher sein als das bisherige");
+  }
+}

SalaryIncreaseTooHighException.java

@@ -0,0 +1,8 @@
+public class SalaryIncreaseTooHighException extends Exception {
+
+  private static final long serialVersionUID = 1L;
+
+  public SalaryIncreaseTooHighException() {
+    super("Das neue Gehalt darf maximal 10% ueber dem bisherigen Gehalt liegen");
+  }
+}