implement method getSalaryInfo() to generate salary report

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

@@ -1,7 +1,42 @@
 package core.basesyntax;
 
+import java.time.LocalDate;
+import java.time.format.DateTimeFormatter;
+
 public class SalaryInfo {
     public String getSalaryInfo(String[] names, String[] data, String dateFrom, String dateTo) {
-        return null;
+        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("dd.MM.yyyy");
+        LocalDate from = LocalDate.parse(dateFrom, formatter);
+        LocalDate to = LocalDate.parse(dateTo, formatter);
+
+        int[] salary = new int[names.length];
+
+        for (String record : data) {
+            String[] parts = record.split(" ");
+            LocalDate workDate = LocalDate.parse(parts[0], formatter);
+            String name = parts[1];
+            int hours = Integer.parseInt(parts[2]);
+            int income = Integer.parseInt(parts[3]);
+
+            if ((workDate.isAfter(from) || workDate.isEqual(from))
+                    && (workDate.isBefore(to) || workDate.isEqual(to))) {
+                for (int i = 0; i < names.length; ++i) {
+                    if (names[i].equals(name)) {
+                        salary[i] += income * hours;
+                        break;
+                    }
+                }
+            }
+        }
+
+        StringBuilder builder = new StringBuilder("Report for period " + dateFrom
+                + " - " + dateTo);
+        for (int i = 0; i < names.length; ++i) {
+            builder.append(System.lineSeparator())
+                    .append(names[i])
+                    .append(" - ")
+                    .append(salary[i]);
+        }
+        return builder.toString();
     }
 }