What is Connection pooling? Explain Pros and Cons?
Connection pooling is the process of resuing the database
connections between application and the server to increase
in the perfaomance of the application.
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What is parsing and its types?
Difference between interface and abstract class with ex.
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What is the purpose of using java.lang.class class?
How can we handle runtime exceptions? write one sample program? Can we write runtime exceptions beside the throws key word? if yes write sample program?
What do you mean by order of precedence and associativity?
How do you find the absolute value?
What is scope of a variable?
What comes to mind when someone mentions a shallow copy in java?
What are parent methods and how can you call them?
Explain about the main() method in java?
How do I know if java is installed?
What types of index data structures can you have in java?