What is the difference between a while statement and a do statement?

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Write a program for the following topic - switch case,looping using fuction calling,nesting,console input output. Aim- to print a menu:- 1-series 2-single value. Each menu having sub menu armstrong or perfect.

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What is a singleton in java?

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What are the advantages of java sockets?

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Why do we need new date and time api in java se 8?

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What is the difference between the boolean & operator and the && operator?

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Why bean class is used in java?

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How do I run a java project in netbeans?

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Is lambda functional programming?

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What are tags in java?

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How do you type the lambda symbol?

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If one class havent the constructor, it has normal method, then can i use super keyword to call the method form the sub class and vice verse?

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