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Q1561. What is the use of @Import and @ImportResource anotations ?
Ans. The @Import annotation is used to import one or more @Configuration classes. This annotation provides the functionality equivalent to element in xml based configuration.
The @ImportResource annotation is used to import one or more XML configuration files.
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Ans. Setter Injection in Spring is a type of dependency injection in which the framework injects the dependent objects into the client using a setter method.
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Q1572. Given a String with letters , numbers and special characters , extract Tokens from it. The rules for Token extraction are ac follows
1. Should for token of all characters till a number or special character is found
2. Should form token of all numbers till a character or special character is found
3. Special character in itself is a token
4. Ignore white spaces
For example - Bob Said "He is here"
should result in
Bob A
Said A
" S
He A
is A
here A
" S
where a is specifying alphabet and S as special character
Ans. The regular behavior of exception handling will occur. It will look for any immediate catch handler and if none is provided, it would be transmitted to the callers until a catch handler is found or it's out of main function.
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Q1583. If we have width of an html element as 100px and a border of 10 px. What will be the effective width of the element ? Will the border start after 100 px or after 90 px ?
Ans. It is an instruction to the web browser about what version of HTML the page is written in, which specifies the rules for the markup language, so that the browsers render the content correctly.
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Ans. Which group of bytes represent which character is defined by character encoding. So when reading character by character from a stream of bytes using Reader, specifying character encoding becomes significant as the same group of bytes can represent different character in different character encoding(Eg UTF-8 and UTF-16 etc.)
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Q1588. Suppose we make an api call using multithreading, How would you design to make sure that we have received response for all threads before exiting the main thread ?
Ans. We can use HashMap for tracking response status for all threads. We can wait every n second by using Thread.sleep and exit the main thread only once we have received response for all threads.
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