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diff --git a/challenge-175/mohammad-anwar/java/theweeklychallenge/LastSunday.java b/challenge-175/mohammad-anwar/java/theweeklychallenge/LastSunday.java
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+package theweeklychallenge;
+
+/*
+
+Week 175:
+
+    https://theweeklychallenge.org/blog/perl-weekly-challenge-175
+
+Task #1: Last Sunday
+
+    Write a script to list Last Sunday of every month in the given year.
+
+Compile and Run:
+
+    mohammad-anwar/java$ javac theweeklychallenge/LastSunday.java
+    mohammad-anwar/java$ java  theweeklychallenge.LastSunday
+
+*/
+
+import java.util.Arrays;
+import java.util.ArrayList;
+import java.time.LocalDate;
+import junit.framework.TestCase;
+import static junit.framework.Assert.*;
+
+public class LastSunday extends TestCase {
+
+    public static void main(String[] args) {
+        junit.textui.TestRunner.run(
+            theweeklychallenge.LastSunday.class);
+    }
+
+    public void testLastSunday() {
+        String[] got = allLastSundayOf(2022);
+        String[] exp = {
+            "2022-01-30", "2022-02-27", "2022-03-27", "2022-04-24",
+            "2022-05-29", "2022-06-26", "2022-07-31", "2022-08-28",
+            "2022-09-25", "2022-10-30", "2022-11-27", "2022-12-25",
+        };
+
+        assertEquals(Arrays.toString(exp), Arrays.toString(got));
+    }
+
+    public static String[] allLastSundayOf(int year) {
+        ArrayList<String> ls = new ArrayList<String>();
+        for(int month = 1; month <= 12; month++) {
+            ls.add(lastSundayOf(month, year));
+        }
+
+        return ls.toArray(new String[ls.size()]);
+    }
+
+    public static String lastSundayOf(int month, int year) {
+        LocalDate date = LocalDate.of(year, month, 1)
+                                  .plusMonths(1)
+                                  .minusDays(1);
+
+        int dow = date.getDayOfWeek().getValue();
+
+        if (dow == 7) {
+            return date.toString();
+        }
+        else {
+            return date.minusDays(dow).toString();
+        }
+    }
+}