Update README.md

Author: javaquery

README.md

@@ -1,2 +1,31 @@
-# util
-Java Util Library ![Java CI with Gradle](https://github.com/javaquery/util/workflows/Java%20CI%20with%20Gradle/badge.svg)
+# JavaQuery Util Library
+Welcome to the JavaQuery util library
+
+[![Maven Central](https://maven-badges.herokuapp.com/maven-central/com.javaquery/util/badge.svg)](https://maven-badges.herokuapp.com/maven-central/com.javaquery/util)
+
+# Overview
+Goal is to remove repeated boler plate utility code from your project. This library offers util classes of following framework and objects.
+
+- <b>Collections</b>: Provides wide range of operation you perform on collection (List, Set and Map) interfaces like <code>nullOrEmpty(Collection)</code>, <code>nonNullNonEmpty(Collection)</code>, <code>batches(List<T> source, int batchSize)</code>, etc...
+- <b>Files</b>: Provides wide range of operation you perform on <code>java.io.File</code> like <code>createNewFile(T file)</code>, <code>writeToFile(T file, String data)</code>, <code>appendToFile(T file, String data, boolean appendNewLine)</code>, etc...
+- <b>Strings</b>: Provides wide range of operation you perform on <code>java.lang.String</code> like <code>nullOrEmpty(String str)</code>, <code>joinStrings(String separator, String... strings)</code>, <code>removeNotSupportedASCIICharacters(String str)</code>, etc...
+- <b>DatePattern</b>: Provides wide range of Date patterns commonly used worldwide like <code>yyyyMMddHHmmss</code>, <code>yyyy-MM-dd HH:mm:ss'Z'</code>, <code>yyyy-MM-dd'T'HH:mm:ss.SSSSSSS-HH:MM</code>, etc...
+- <b>DateRange</b>: Class can be used to store start-date and end-date.
+- <b>Dates</b>: Provides wide range of operation you perform on <code>java.util.Date</code> like <code>addInDate(Date date, int type, int amount)</code>, <code>parse(String date, DatePattern datePattern, TimeZone timeZone)</code>, <code>format(Date date, DatePattern datePattern, TimeZone timeZone)</code>, etc...
+- <b>Assert</b>: Provides wide range of operation for Assertions like <code>nonNull(Object object, Supplier<T> exceptionSupplier)</code>, <code>isTrue(boolean expression, Supplier<T> exceptionSupplier)</code>, <code>nonNullNonEmpty(Collection<?> collection, Supplier<T> exceptionSupplier)</code>, etc...
+- <b>Objects</b>: Provides wide range of operation on <code>java.lang.Object</code> like <code>isNull(Object obj)</code>, <code>nonNull(Object obj)</code>.
+- <b>Regex</b>: Provides wide range of operation using regular expression like <code>isNumber(String value)</code>, <code>isAlphaNumeric(String value)</code>, <code>isValidEmail(String value)</code>.
+
+# Maven
+```
+<dependency>
+  <groupId>com.javaquery</groupId>
+  <artifactId>util</artifactId>
+  <version>1.0.1</version>
+</dependency>
+``` 
+
+# Gradle
+```
+implementation 'com.javaquery:util:1.0.1'
+```