task done

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

@@ -1,7 +1,44 @@
 package core.basesyntax;
 
+import java.time.LocalDate;
+import java.time.format.DateTimeFormatter;
+
 public class SalaryInfo {
+    private DateTimeFormatter formatter = DateTimeFormatter.ofPattern("dd.MM.yyyy");
+
     public String getSalaryInfo(String[] names, String[] data, String dateFrom, String dateTo) {
-        return null;
+        LocalDate salaryDateFrom = LocalDate.parse(dateFrom, formatter);
+        LocalDate salaryDateTo = LocalDate.parse(dateTo, formatter);
+
+        int johnSalary = 0;
+        int andrewSalary = 0;
+        int kateSalary = 0;
+
+        for (int i = 0; i < data.length; i++) {
+            String[] tempData = data[i].split(" ");
+            LocalDate currentDate = LocalDate.parse(tempData[0], formatter);
+
+            if (currentDate.isAfter(salaryDateFrom.minusDays(1))
+                    && currentDate.isBefore(salaryDateTo.plusDays(1))) {
+                String name = tempData[1];
+                int hours = Integer.parseInt(tempData[2]);
+                int incomePerHour = Integer.parseInt(tempData[3]);
+
+                switch (name) {
+                    case "John" -> johnSalary += hours * incomePerHour;
+                    case "Andrew" -> andrewSalary += hours * incomePerHour;
+                    case "Kate" -> kateSalary += hours * incomePerHour;
+                    default -> {
+                        continue;
+                    }
+                }
+            }
+        }
+        String report = "Report for period " + dateFrom + " - " + dateTo
+                + "\n" + names[0] + " - " + johnSalary
+                + "\n" + names[1] + " - " + andrewSalary
+                + "\n" + names[2] + " - " + kateSalary;
+
+        return report;
     }
 }