DB Schenker Trainee Interview Questions and Answers

Q1. Sorting an array
Ans. 
Sorting an array of strings
• Use Arrays.sort() method to sort the array of strings

• You can also use a custom Comparator to define the sorting order

• Example: String[] arr = {"banana", "apple", "orange"}; Arrays.sort(arr);
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Q2. Core Java Question
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Q1. What is ansible and what is the difference between ansible and terraform?
Ans. 
Ansible is a configuration management and automation tool, while Terraform is an infrastructure provisioning tool.
• Ansible is used for configuration management, application deployment, and task automation.

• Terraform is used for infrastructure provisioning and managing cloud resources.

• Ansible uses YAML-based playbooks to define tasks and configurations, while Terraform uses HCL (HashiCorp Configuration Language) to define...read more
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Q2. What is Docker, and what is Kubernetes and its advantages over docker?
Ans. 
Docker is a containerization platform for packaging, distributing, and running applications. Kubernetes is a container orchestration tool for managing containerized applications.
• Docker allows you to package an application and its dependencies into a container for easy deployment.

• Kubernetes automates the deployment, scaling, and management of containerized applications.

• Kubernetes provides features like auto-scaling, sel...read more
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Q3. How you create a jenkins pipeline
Ans. 
To create a Jenkins pipeline, you can use the Jenkinsfile to define the stages and steps of the pipeline.
• Create a Jenkinsfile in your project repository

• Define stages and steps in the Jenkinsfile using declarative or scripted syntax

• Commit and push the Jenkinsfile to trigger the pipeline in Jenkins

• Monitor the pipeline execution in Jenkins dashboard
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Q1. What is Inode in linux
Ans. 
Inode is a data structure in Linux file systems that stores metadata about files, such as permissions, ownership, and location.
• Inodes contain information like file size, timestamps, and pointers to data blocks.

• Each file in a Linux system is associated with an inode.

• Inodes are identified by a unique inode number.

• When a file is created, an inode is also created to store its metadata.
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Q2. What are packages we use in ansible?
Ans. 
Some common packages used in Ansible are ansible, ansible-lint, ansible-playbook, ansible-vault, and ansible-doc.
• ansible

• ansible-lint

• ansible-playbook

• ansible-vault

• ansible-doc
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Q1. What is meant by storage classes
Ans. 
Storage classes in Java define the scope and lifetime of variables.
• There are four storage classes in Java: static, public, protected, and private.

• Static variables are shared among all instances of a class.

• Public variables can be accessed from any other class.

• Protected variables can only be accessed within the same package or by subclasses.

• Private variables can only be accessed within the same class.
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Q2. Write a program to reverse a word
Ans. 
Program to reverse a word in Java
• Create a char array from the input word

• Use two pointers to swap characters from start and end of the array

• Convert the char array back to a string and return
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GD went well. there are 3 members in that panel on that day. asked question on java and sql becoz that role is based on java with sql.
interview went well. waiting for the result

Basic and advanced concepts of Java

Q1. Core Java and Spring Boot Microservices
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