diff --git a/core-java-modules/core-java-date-operations/pom.xml b/core-java-modules/core-java-date-operations/pom.xml
new file mode 100644
index 0000000000..f6e75ca518
--- /dev/null
+++ b/core-java-modules/core-java-date-operations/pom.xml
@@ -0,0 +1,17 @@
+
+
+ 4.0.0
+ core-java-date-operations
+ ${project.parent.version}
+ jar
+
+
+ com.baeldung
+ parent-java
+ 0.0.1-SNAPSHOT
+ ../../parent-java
+
+
+
\ No newline at end of file
diff --git a/core-java-modules/core-java-date-operations/src/main/java/com/baeldung/datetime/CalendarUtils.java b/core-java-modules/core-java-date-operations/src/main/java/com/baeldung/datetime/CalendarUtils.java
new file mode 100644
index 0000000000..ab1550fd90
--- /dev/null
+++ b/core-java-modules/core-java-date-operations/src/main/java/com/baeldung/datetime/CalendarUtils.java
@@ -0,0 +1,15 @@
+package com.baeldung.datetime;
+
+import java.text.ParseException;
+import java.util.Calendar;
+import java.util.Date;
+
+public class CalendarUtils {
+
+ public static Calendar getPlusDays(Date date, int amount) throws ParseException {
+ Calendar calendar = Calendar.getInstance();
+ calendar.setTime(date);
+ calendar.add(Calendar.DAY_OF_YEAR, amount);
+ return calendar;
+ }
+}
\ No newline at end of file
diff --git a/core-java-modules/core-java-date-operations/src/main/java/com/baeldung/datetime/DateUtils.java b/core-java-modules/core-java-date-operations/src/main/java/com/baeldung/datetime/DateUtils.java
new file mode 100644
index 0000000000..34f799d3f4
--- /dev/null
+++ b/core-java-modules/core-java-date-operations/src/main/java/com/baeldung/datetime/DateUtils.java
@@ -0,0 +1,20 @@
+package com.baeldung.datetime;
+
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+public class DateUtils {
+
+ public static Date getNow() {
+ return new Date();
+ }
+
+ public static Date getDate(long millis) {
+ return new Date(millis);
+ }
+
+ public static Date getDate(String dateAsString, String pattern) throws ParseException {
+ return new SimpleDateFormat(pattern).parse(dateAsString);
+ }
+}
\ No newline at end of file
diff --git a/core-java-modules/core-java-date-operations/src/main/java/com/baeldung/datetime/sql/DateUtils.java b/core-java-modules/core-java-date-operations/src/main/java/com/baeldung/datetime/sql/DateUtils.java
new file mode 100644
index 0000000000..1b4e825df8
--- /dev/null
+++ b/core-java-modules/core-java-date-operations/src/main/java/com/baeldung/datetime/sql/DateUtils.java
@@ -0,0 +1,21 @@
+package com.baeldung.datetime.sql;
+
+import java.sql.Date;
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+
+public class DateUtils {
+
+ public static Date getNow() {
+ return new Date(System.currentTimeMillis());
+ }
+
+ public static Date getDate(String dateAsString) {
+ return Date.valueOf(dateAsString);
+ }
+
+ public static Date getDate(String dateAsString, String pattern) throws ParseException {
+ java.util.Date customUtilDate = new SimpleDateFormat(pattern).parse(dateAsString);
+ return new Date(customUtilDate.getTime());
+ }
+}
\ No newline at end of file
diff --git a/core-java-modules/core-java-date-operations/src/main/java/com/baeldung/datetime/sql/TimeUtils.java b/core-java-modules/core-java-date-operations/src/main/java/com/baeldung/datetime/sql/TimeUtils.java
new file mode 100644
index 0000000000..3fa1ffdef8
--- /dev/null
+++ b/core-java-modules/core-java-date-operations/src/main/java/com/baeldung/datetime/sql/TimeUtils.java
@@ -0,0 +1,21 @@
+package com.baeldung.datetime.sql;
+
+import java.sql.Time;
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+
+public class TimeUtils {
+
+ public static Time getNow() {
+ return new Time(System.currentTimeMillis());
+ }
+
+ public static Time getTime(String timeAsString) {
+ return Time.valueOf(timeAsString);
+ }
+
+ public static Time getTime(String dateAsString, String pattern) throws ParseException {
+ java.util.Date customUtilDate = new SimpleDateFormat(pattern).parse(dateAsString);
+ return new Time(customUtilDate.getTime());
+ }
+}
\ No newline at end of file
diff --git a/core-java-modules/core-java-date-operations/src/main/java/com/baeldung/datetime/sql/TimestampUtils.java b/core-java-modules/core-java-date-operations/src/main/java/com/baeldung/datetime/sql/TimestampUtils.java
new file mode 100644
index 0000000000..02a928daa7
--- /dev/null
+++ b/core-java-modules/core-java-date-operations/src/main/java/com/baeldung/datetime/sql/TimestampUtils.java
@@ -0,0 +1,21 @@
+package com.baeldung.datetime.sql;
+
+import java.sql.Timestamp;
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+
+public class TimestampUtils {
+
+ public static Timestamp getNow() {
+ return new Timestamp(System.currentTimeMillis());
+ }
+
+ public static Timestamp getTimestamp(String timestampAsString) {
+ return Timestamp.valueOf(timestampAsString);
+ }
+
+ public static Timestamp getTimestamp(String dateAsString, String pattern) throws ParseException {
+ java.util.Date customUtilDate = new SimpleDateFormat(pattern).parse(dateAsString);
+ return new Timestamp(customUtilDate.getTime());
+ }
+}
\ No newline at end of file
diff --git a/core-java-modules/core-java-date-operations/src/test/java/com/baeldung/datetime/CalendarUtilsUnitTest.java b/core-java-modules/core-java-date-operations/src/test/java/com/baeldung/datetime/CalendarUtilsUnitTest.java
new file mode 100644
index 0000000000..0060162ffb
--- /dev/null
+++ b/core-java-modules/core-java-date-operations/src/test/java/com/baeldung/datetime/CalendarUtilsUnitTest.java
@@ -0,0 +1,21 @@
+package com.baeldung.datetime;
+
+import static org.junit.Assert.assertEquals;
+
+import org.junit.Test;
+
+import com.baeldung.datetime.CalendarUtils;
+import com.baeldung.datetime.DateUtils;
+
+import java.text.ParseException;
+import java.util.Date;
+
+public class CalendarUtilsUnitTest {
+
+ @Test
+ public void givenDateAndDaysToAdd_thenCalendarIsCorrectlyReturned() throws ParseException {
+ Date initialDate = DateUtils.getDate("2020/01/01", "yyyy/MM/dd");
+ Date expectedDate= DateUtils.getDate("2020/01/11", "yyyy/MM/dd");
+ assertEquals(expectedDate, CalendarUtils.getPlusDays(initialDate, 10).getTime());
+ }
+}
\ No newline at end of file
diff --git a/core-java-modules/core-java-date-operations/src/test/java/com/baeldung/datetime/DateUtilsUnitTest.java b/core-java-modules/core-java-date-operations/src/test/java/com/baeldung/datetime/DateUtilsUnitTest.java
new file mode 100644
index 0000000000..62a0fc0b4b
--- /dev/null
+++ b/core-java-modules/core-java-date-operations/src/test/java/com/baeldung/datetime/DateUtilsUnitTest.java
@@ -0,0 +1,25 @@
+package com.baeldung.datetime;
+
+import static org.junit.Assert.assertEquals;
+
+import org.junit.Test;
+
+import com.baeldung.datetime.DateUtils;
+
+import java.text.ParseException;
+import java.util.Date;
+
+public class DateUtilsUnitTest {
+
+ @Test
+ public void givenTimeMillis_thenDateIsReturned() {
+ Date now = DateUtils.getNow();
+ assertEquals(DateUtils.getDate(now.getTime()), now);
+ }
+
+ @Test
+ public void givenDateAndPattern_thenDateIsCorrectlyReturned() throws ParseException {
+ long milliseconds = new Date(2020 - 1900, 0, 1).getTime();
+ assertEquals(DateUtils.getDate(milliseconds), DateUtils.getDate("2020/01/01", "yyyy/MM/dd"));
+ }
+}
\ No newline at end of file
diff --git a/core-java-modules/core-java-date-operations/src/test/java/com/baeldung/datetime/sql/DateUtilsUnitTest.java b/core-java-modules/core-java-date-operations/src/test/java/com/baeldung/datetime/sql/DateUtilsUnitTest.java
new file mode 100644
index 0000000000..a04f64f6dd
--- /dev/null
+++ b/core-java-modules/core-java-date-operations/src/test/java/com/baeldung/datetime/sql/DateUtilsUnitTest.java
@@ -0,0 +1,28 @@
+package com.baeldung.datetime.sql;
+
+import static org.junit.Assert.assertEquals;
+
+import org.junit.Test;
+
+import com.baeldung.datetime.sql.DateUtils;
+
+import java.text.ParseException;
+import java.util.Date;
+
+public class DateUtilsUnitTest {
+
+ @Test
+ public void givenCurrentDate_thenTodayIsReturned() {
+ assertEquals(DateUtils.getNow(), new Date());
+ }
+
+ @Test(expected = IllegalArgumentException.class)
+ public void givenDateAsString_whenPatternIsNotRespected_thenExceptionIsThrown() {
+ DateUtils.getDate("2020 01 01");
+ }
+
+ @Test
+ public void givenDateAndPattern_thenDateIsCorrectlyReturned() throws ParseException {
+ assertEquals(DateUtils.getDate("2020-01-01"), DateUtils.getDate("2020/01/01", "yyyy/MM/dd"));
+ }
+}
\ No newline at end of file
diff --git a/core-java-modules/core-java-date-operations/src/test/java/com/baeldung/datetime/sql/TimeUtilsUnitTest.java b/core-java-modules/core-java-date-operations/src/test/java/com/baeldung/datetime/sql/TimeUtilsUnitTest.java
new file mode 100644
index 0000000000..6b49558f1b
--- /dev/null
+++ b/core-java-modules/core-java-date-operations/src/test/java/com/baeldung/datetime/sql/TimeUtilsUnitTest.java
@@ -0,0 +1,28 @@
+package com.baeldung.datetime.sql;
+
+import static org.junit.Assert.assertEquals;
+
+import org.junit.Test;
+
+import com.baeldung.datetime.sql.TimeUtils;
+
+import java.text.ParseException;
+import java.util.Date;
+
+public class TimeUtilsUnitTest {
+
+ @Test
+ public void givenCurrentTime_thenNowIsReturned() {
+ assertEquals(TimeUtils.getNow(), new Date());
+ }
+
+ @Test(expected = IllegalArgumentException.class)
+ public void givenTimeAsString_whenPatternIsNotRespected_thenExceptionIsThrown() {
+ TimeUtils.getTime("10 11 12");
+ }
+
+ @Test
+ public void givenTimeAndPattern_thenTimeIsCorrectlyReturned() throws ParseException {
+ assertEquals(TimeUtils.getTime("10:11:12"), TimeUtils.getTime("10 11 12", "hh mm ss"));
+ }
+}
\ No newline at end of file
diff --git a/core-java-modules/core-java-date-operations/src/test/java/com/baeldung/datetime/sql/TimestampUtilsUnitTest.java b/core-java-modules/core-java-date-operations/src/test/java/com/baeldung/datetime/sql/TimestampUtilsUnitTest.java
new file mode 100644
index 0000000000..2faf8fab0e
--- /dev/null
+++ b/core-java-modules/core-java-date-operations/src/test/java/com/baeldung/datetime/sql/TimestampUtilsUnitTest.java
@@ -0,0 +1,29 @@
+package com.baeldung.datetime.sql;
+
+import static org.junit.Assert.assertEquals;
+
+import org.junit.Test;
+
+import com.baeldung.datetime.sql.TimestampUtils;
+
+import java.text.ParseException;
+import java.util.Date;
+
+public class TimestampUtilsUnitTest {
+
+ @Test
+ public void givenCurrentTimestamp_thenNowIsReturned() {
+ assertEquals(TimestampUtils.getNow()
+ .getTime(), new Date().getTime());
+ }
+
+ @Test(expected = IllegalArgumentException.class)
+ public void givenTimestampAsString_whenPatternIsNotRespected_thenExceptionIsThrown() {
+ TimestampUtils.getTimestamp("2020/01/01 10:11-12");
+ }
+
+ @Test
+ public void givenTimestampAndPattern_thenTimestampIsCorrectlyReturned() throws ParseException {
+ assertEquals(TimestampUtils.getTimestamp("2020-01-01 10:11:12"), TimestampUtils.getTimestamp("2020/01/01 10:11-12", "yyyy/MM/dd hh:mm-ss"));
+ }
+}
\ No newline at end of file
diff --git a/core-java-modules/pom.xml b/core-java-modules/pom.xml
index 68ece1c473..16ec19835a 100644
--- a/core-java-modules/pom.xml
+++ b/core-java-modules/pom.xml
@@ -19,6 +19,7 @@
core-java-lang-operators
core-java-networking-2
core-java-security-manager
+ core-java-date-operations