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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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Q728. 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. final can be used for variables , methods and class. A final variable cannot be changed , a final method cannot be overridden , a final class cannot be inherited.
Finally is a block which is used after Try and catch, a finally block is always executed.
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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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Ans. Array needs continuous memory location because it need to provide random access of it's elements which is not required for Linked List.
Array index acts as an offset from the base address and hence can retrieve the respective element using the expression Base Address + ( Index * Element Size ). This expression could only hold true if the elements are in continuous memory location.
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Ans. The array index starts with 0 because program locates an element using the expression ( BaseAddress + ( Index * size of array Element ), where index is used as an offset. As the starting address is actually the address of first element, the index of first element is used as 0 and so on.
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Q744. 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. Java provides a new additional feature in Array class which is used to sort array elements in parallel.New methods have been added to the java.util.Arrays package that use the JSR 166 Fork/Join parallelism common pool to provide sorting of arrays in parallel.
The methods are called parallelSort() and are overloaded for all the primitive data types and Comparable objects.
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