Telstra Java Developer Interview Questions and Answers

Q1. Asking related to java, and good knowledge of Oops concepts
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Q2. Basic java program
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Q1. Asking past project and technology that you are using
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Q2. API related question like rest, sop
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Q1. Sql related ques mege into, rank,dense rank,queries of joins etc.
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Q2. Java 8 related ques optional and stream
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1st round some apt qns,some prgramming qns are they asked

Q1. C depth concepts and some prgram
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Q1. Some DSA questions they asked
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Q1. Reverse a linked list.
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Q2. Merge sort on a array/
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Q1. How to handle exception?
Ans. 
Handle exceptions by using try-catch blocks to gracefully manage errors in code execution.
• Use try-catch blocks to catch exceptions and handle them appropriately.

• Throw custom exceptions when necessary to provide more specific error information.

• Use finally block to execute code that should always run, regardless of whether an exception is thrown.

• Avoid catching generic exceptions like Exception class, instead catch specif...read more
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Q2. What is inheritance?
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Inheritance is a concept in object-oriented programming where a class can inherit attributes and methods from another class.
• Allows for code reusability by creating a new class based on an existing class

• Derived class inherits properties and behaviors of the base class

• Supports the 'is-a' relationship, where a derived class is a specialized version of the base class
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Q1. What are the things that u do when your what app screen is blank
Ans. 
I would check for internet connection, restart the app, clear cache, and update the app.
• Check internet connection

• Restart the app

• Clear cache

• Update the app
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Q2. Simple python code
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Based on python and also question included networking