Implemented method getSalaryInfo with solution

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

@@ -1,7 +1,34 @@
 package core.basesyntax;
 
+import java.time.LocalDate;
+import java.time.format.DateTimeFormatter;
+
 public class SalaryInfo {
+    private final DateTimeFormatter FORMATTER = DateTimeFormatter.ofPattern("dd.MM.yyyy");
+
     public String getSalaryInfo(String[] names, String[] data, String dateFrom, String dateTo) {
-        return null;
+        StringBuilder salaryInfo = new StringBuilder();
+        LocalDate from = LocalDate.parse(dateFrom, FORMATTER);
+        LocalDate to = LocalDate.parse(dateTo, FORMATTER);
+
+        salaryInfo.append("Report for period ").append(dateFrom).append(" - ").append(dateTo).append("\n");
+
+        for (String name : names) {
+            int salary = 0;
+            for (String datum : data) {
+                String[] parts = datum.split("\\s+");
+                LocalDate currentDate = LocalDate.parse(parts[0], FORMATTER);
+                if (name.equals(parts[1])) {
+                    if (!currentDate.isBefore(from) && !currentDate.isAfter(to)) {
+                        salary += Integer.parseInt(parts[2]) * Integer.parseInt(parts[3]);
+                    }
+                }
+            }
+            salaryInfo.append(name)
+                    .append(" - ")
+                    .append(salary)
+                    .append("\n");
+        }
+        return salaryInfo.toString();
     }
 }