A task for calculating salaries has been implemented.

src/main/java/core/basesyntax/Main.java

@@ -0,0 +1,24 @@
+package core.basesyntax;
+
+public class Main {
+    public static void main(String[] args) {
+        SalaryInfo salaryInfo = new SalaryInfo();
+
+        String[] names = {"John", "Andrew", "Kate"};
+        String[] data = {
+                "26.04.2019 John 4 50",
+                "05.04.2019 Andrew 3 200",
+                "10.04.2019 John 7 100",
+                "22.04.2019 Kate 9 100",
+                "25.06.2019 John 11 50",
+                "26.04.2019 Andrew 3 150",
+                "13.02.2019 John 7 100",
+                "26.04.2019 Kate 9 100"
+        };
+        String dateFrom = "01.04.2019";
+        String dateTo = "30.04.2019";
+
+        String result = salaryInfo.getSalaryInfo(names, data, dateFrom, dateTo);
+        System.out.println(result);
+    }
+}

src/main/java/core/basesyntax/SalaryInfo.java

@@ -1,7 +1,56 @@
 package core.basesyntax;
 
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
 public class SalaryInfo {
     public String getSalaryInfo(String[] names, String[] data, String dateFrom, String dateTo) {
-        return null;
+        StringBuilder result = new StringBuilder();
+
+        try {
+            SimpleDateFormat dateFormat = new SimpleDateFormat("dd.MM.yyyy");
+            Date fromDate = dateFormat.parse(dateFrom);
+            Date toDate = dateFormat.parse(dateTo);
+
+            result.append("Report for period ")
+                    .append(dateFrom)
+                    .append(" - ")
+                    .append(dateTo)
+                    .append(System.lineSeparator());
+
+            for (String name : names) {
+                int totalSalary = 0;
+
+                for (String entry : data) {
+                    String[] entryParts = entry.split(" ");
+                    String entryDateStr = entryParts[0];
+                    String entryName = entryParts[1];
+
+                    try {
+                        int hours = Integer.parseInt(entryParts[2]);
+                        int hourlyRate = Integer.parseInt(entryParts[3]);
+                        Date entryDate = dateFormat.parse(entryDateStr);
+
+                        if (entryName.equals(name) && entryDate.compareTo(fromDate) >= 0
+                                && entryDate.compareTo(toDate) <= 0) {
+                            totalSalary += hours * hourlyRate;
+                        }
+                    } catch (NumberFormatException e) {
+                        throw new NumberFormatException("Invalid number format");
+                    }
+                }
+
+                result.append(name)
+                        .append(" - ")
+                        .append(totalSalary);
+                if (!name.equals(names[names.length - 1])) {
+                    result.append(System.lineSeparator());
+                }
+            }
+        } catch (Exception e) {
+            throw new RuntimeException("Error occurred while calculating salaries");
+        }
+
+        return result.toString();
     }
 }