Okie Ventures Interview Questions and Answers

Code to read data from Excel file or property file

• Use Apache POI library for reading Excel files in Java

• For property files, use java.util.Properties class

• Handle exceptions like FileNotFoundException and IOException

• Example for reading Excel file: FileInputStream fis = new FileInputStream("data.xlsx"); Workbook workbook = new XSSFWorkbook(fis); Sheet sheet = workbook.getSheetAt(0);

• Example for reading property file: FileInputStream fis = new FileInputStream("config.properties");...read more

VPC in AWS is a virtual network that allows you to isolate resources, while a resource group in Azure is a way to organize and manage resources.

• VPC in AWS stands for Virtual Private Cloud and is used to create an isolated network environment for resources.

• Resource group in Azure is a way to group related resources together for easier management and organization.

• VPC allows you to define IP address ranges, subnets, route tables, and network gateways.

• Resource group helps in mana...read more

Program to find the maximum occurring character in a string

• Create an array to store the frequency of each character in the string

• Iterate through the string and update the frequency array

• Find the character with the highest frequency in the array

Helm is a package manager for Kubernetes that simplifies the deployment and management of applications.

• Helm allows users to define, install, and upgrade Kubernetes applications using Helm charts.

• It helps in managing the complexity of Kubernetes configurations by providing a templating system.

• Helm charts are reusable packages of pre-configured Kubernetes resources, making it easier to share and deploy applications.

• Use cases include deploying complex applications with multiple ...read more

VPC stands for Virtual Private Cloud in AWS, which allows you to create a private network within the AWS cloud environment.

• VPC helps in controlling the virtual networking environment, including IP address ranges, subnets, route tables, and network gateways.

• It provides security by allowing you to define security groups and network access control lists to control inbound and outbound traffic.

• VPC enables you to launch AWS resources, such as EC2 instances, within a virtual networ...read more