Ups Logistics Java Developer Interview Questions and Answers

Q1. What is ViewChild
Ans. 
ViewChild is a decorator in Angular used to access child components and directives from the parent component.
• ViewChild is used to access child components and directives in Angular templates.

• It can be used to interact with child components programmatically.

• ViewChild is often used in combination with ngAfterViewInit lifecycle hook.

• Example: @ViewChild(SomeComponent) someComponent: SomeComponent;
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Q1. What is restful api
Ans. 
RESTful API is an architectural style for designing networked applications
• REST stands for Representational State Transfer

• Uses standard HTTP methods like GET, POST, PUT, DELETE

• Resources are identified by URIs

• Stateless communication between client and server

• Responses are typically in JSON or XML format
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Q2. Bootstarp grid system
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Q1. Behavioural and Experience based questions
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Q2. Tell be about a time sort of stuff
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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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It was a aptitude and logical reasoning test

Q1. Coding logic and aptitude was assessed
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Q1. Basic questions and salary negotiation was done
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