Gateway for Preparing Interviews
What is the implicit intent in android? The Implicit intent is used to invoke the system components. Which kernel is used in Android? Android is a customized Linux 3.6 kernel. What are the life cycle methods of android activity? There are 7 life-cycle methods of activity. They are as follows: onCreate() onStart() onResume() onPause() onStop() … Read more
What are policies and what are the different types of policies? Policy is an object which is associated with a resource that defines the permissions. AWS evaluate these policies when user makes a request. Permissions in the policy determine whether to allow or to deny an action. Policies are stored in the form of a … Read more
What are the alternatives to inheritance? Delegation is an alternative to inheritance. Delegation denotes that you include an instance of any class as an instance variable, and forward messages to the instance. It is safer than inheritance because it ceases you to think about forwarded message , because the instance is of a known class, … Read more
What is B2B ? B2B stands for Business-to-business. What does application client module contain? The application client module contains: class files, and an application client deployment descriptoor. Application client modules are packaged as JAR files with a .jar extension What is “application assembler”? A person who combines J2EE components and modules into deployable application units. … Read more
How many threads run in React Native? The React Native app contains the following thread: React Native UI Thread (Main Thread): This thread is used for the layout of the mobile app. React Native JavaScript Thread: It is a thread where our business logic will run. It means JS thread is a place where our JavaScript code … Read more
What is the difference between final, finally and finalize final” is the keyword to declare a constant AND prevents a class from producing subclasses. “finally” is a block of code that always executes when the try block is finished, unless System.exit() was called. “finalize()” is an method that is invoked before an object is discarded by the … Read more
What are the advantages of automation testing? Some basic Advantages of automation testing are as follows. Automation testing supports both functional and performance test on an application. It supports the execution of repeated test cases. It facilitates parallel execution. It aids in testing a large test matrix. It improves accuracy because there are no chances … Read more
Can an inner class be built in an Interface? Yes,an inner class may be built an Interface. public interface xyz { static int p=0; void m(); class c { c() { int q; System.out.println(“inside”); } public static void main(String c[]) { System.out.println(“inside “); } }; } Why is explicit object casting needed? In order … Read more
Can we create a VM using Azure Resource Manager in a Virtual Network that was created using classic deployment? It is not supported by the Azure portal. We cannot use Azure Resource Manager to deploy a Virtual machine into a virtual network which was created using classic deployment. What is Availability Set in Azure? Availability … Read more
What are the prerequisites for the DevOps implementation? Following are some useful prerequisites for DevOps implementation: Proper communication between the team members. At least one version control software. Automated testing. Automated deployment. Define DevOps Automation? Automation is the crucial need for DevOps practices, and automate everything is the fundamental principle of DevOps. Automation kick starts … Read more