From 33a42af93700ec855875b2f064fe114d96b0675e Mon Sep 17 00:00:00 2001
From: shaileshmishra <Yes@383840>
Date: Thu, 18 Feb 2021 16:26:58 +0530
Subject: [PATCH 1/3] Added Support in Query: Querying content with `null`
 Added testcase to test null support in addParams() function updated test
 package name to access protected members for better testing experience.

---
 pom.xml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pom.xml b/pom.xml
index 1ceb93d2..e83c5555 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.contentstack.sdk</groupId>
     <artifactId>java</artifactId>
-    <version>1.5.6</version>
+    <version>1.5.7-SNAPSHOT</version>
     <packaging>jar</packaging>
     <name>contentstack-java</name>
     <description>Java SDK for Contentstack Content Delivery API, Contentstack is a headless CMS with an API-first approach

From 7db6dfdc4498ea4cd38d081f1003115807a42e0e Mon Sep 17 00:00:00 2001
From: shaileshmishra <Yes@383840>
Date: Thu, 18 Feb 2021 16:37:53 +0530
Subject: [PATCH 2/3] CHANGELOG.md updated. README.md updated

---
 CHANGELOG.md |  8 +++++++-
 README.md    | 35 ++++++++++++++++++-----------------
 2 files changed, 25 insertions(+), 18 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 74ddbe6d..350acb22 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
+# CHANGELOG
 
-## CHANGELOG
+## Version 1.5.7
+###### Date: 20-Feb-2021
+Document updated
+
+#23 Fixed Issue: Querying content with `null` field
+• Query: query content by specifying fields as null
 
 ## Version 1.5.6
 ###### Date: 27-Jan-2021
diff --git a/README.md b/README.md
index 9af16982..3f96a618 100644
--- a/README.md
+++ b/README.md
@@ -20,13 +20,13 @@ To use the Contentstack Java SDK to your existing project, perform the steps giv
 <dependency>
   <groupId>com.contentstack.sdk</groupId>
   <artifactId>java</artifactId>
-  <version>1.5.6</version>
+  <version>1.5.7</version>
 </dependency>
 ```
 
 2. **Gradle**
 ```java
-implementation 'com.contentstack.sdk:java:1.5.6'
+implementation 'com.contentstack.sdk:java:1.5.7'
 ```
 
 ### Key Concepts for using Contentstack
@@ -59,7 +59,7 @@ A publishing environment corresponds to one or more deployment servers or a cont
 
 To initialize the SDK, specify application  API key, access token, and environment name of the stack as shown in the snippet given below:
 ```java
-Stack stack = Contentstack.stack( "apiKey", "accessToken", "environment_name");
+Stack stack = Contentstack.stack( "APIKey", "accessToken", "environment_name");
 ```
 To get the API credentials mentioned above, log in to your Contentstack account and then in your top panel navigation, go to Settings &gt; Stack to view the API Key and Access Token.
 
@@ -73,13 +73,13 @@ To retrieve a single entry from a content type use the code snippet given below:
 ContentType contentType = stack.contentType("content_type_uid");
 Entry blogEntry = contentType.entry("entry_uid");
 blogEntry.fetch(new EntryResultCallBack() {
-@Override
-public void onCompletion(ResponseType responseType, Error error) {
-    if (error == null) {
-         [Success block]
-    } else {
-         [Error block]
-    }}
+    @Override
+    public void onCompletion(ResponseType responseType, Error error) {
+        if (error == null) {
+           //Success block
+        } else {
+           //Error block
+        }}
  });
   ```
 ##### Get Multiple Entries
@@ -90,13 +90,14 @@ To retrieve multiple entries of a particular content type, use the code snippet
 //stack is an instance of Stack class
 Query blogQuery = stack.contentType("content_type_uid").query();
 blogQuery.find(new QueryResultsCallBack() {
-@Override
-publicvoidonCompletion(ResponseType responseType, QueryResult queryResult, Error error) {
-    if(error == null){
-       [Success block]
-    }else{
-       [Error block]
-    }}});
+    @Override
+    public void onCompletion(ResponseType responseType, QueryResult queryResult, Error error) {
+        if(error == null){
+           //Success block
+        }else{
+           //Error block
+    }}
+});
   ```
 
 

From 93bd3fa12cbca4e795dc09281250a28203c1aa72 Mon Sep 17 00:00:00 2001
From: shaileshmishra <Yes@383840>
Date: Fri, 26 Feb 2021 10:54:13 +0530
Subject: [PATCH 3/3] CHANGELOG.md updated. README.md updated

---
 pom.xml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pom.xml b/pom.xml
index e83c5555..e7ee788a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.contentstack.sdk</groupId>
     <artifactId>java</artifactId>
-    <version>1.5.7-SNAPSHOT</version>
+    <version>1.5.7</version>
     <packaging>jar</packaging>
     <name>contentstack-java</name>
     <description>Java SDK for Contentstack Content Delivery API, Contentstack is a headless CMS with an API-first approach