Category: Java Frameworks
How to create a new Template in your Mandrill Account
1. Log in to your mandrill account with your credentials, you will see below screen after successful login: Fig 1: Logged In user Screen 2. Click on the outbound tab in the left pane of the above screenshot: Fig 2:
Hadoop | ServerNotRunningYetException and PleaseHoldException
Problem 1: ERROR: org.apache.hadoop.hbase.ipc.ServerNotRunningYetException: Server is not running yet While running the hbase shell sometimes we receive Server is Not Running Yet error while our hbase master server is running properly. Solution: This problem occurs when we fetch the data
Java | Understanding signature of main() method
The syntax of main method in java is: public static void main(String[] args) { } There are three keywords used in main: public, static, void public: public keyword is the access modifier in Java which gives its access to the
Adding Google Map in web page using Javascript
How to add Google Map in your project and show markers and InfoWindows for various locations using HTML and Javascript. Google Map API is one of the most used APIs in websites and projects. We can use the API to
Java | SSL and SSLHandshakeException for self-signed websites
What are secure SSL Certificate? Secure SSL certificate is used by most of the websites to prevent private and secure information of their users so that no third party could access them. When an SSL certificate is used, it encrypts
Java | int and float overflow and underflow with examples
First we should know what is overflow and underflow. Overflow is a condition where value crosses the maximum prescribed size of a data type. Underflow is a condition where value reaches the minimum prescribed size of a data type. With
Java | Wide and Narrow typecast in Java with examples
Cast means converting one data type to another data type. Automatic Type Conversion Automatic type conversion means programmer doesn’t need to write code for the cast. In Automatic Type Conversion, narrower data type is converted to broader data type automatically
Java | static variables, instance variables, final and static
Explain with an example which variables should become instance variables and which others should become static. Also when to use final with static and final without static? (JAVA) INSTANCE VARIABLES: Variables that belong to the object of the class and
Java | Runtime Polymorphism
There are two types of polymorphism: 1) Compile Time Polymorphism (Method Overloading) – Here it is clear at compile time that which method call in the program will invoke which of the methods. 2) Runtime Polymorphism (Method Overriding) – Here