why map is not part of collection interface in Java
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Benefits of using SpringBoot over Spring
What data type is immutable?
What is the difference between composition and inheritance? Which would you use and why?
How to create deadlock in your code.
class A{ p s v test(){sout("A");} } class B extends A{ p s v test(){sout("B");} } class C{ main(){ A a2 = new B(); } } what is the o/p? what this example refers to? what happens when you try to override a static method from parent class?
Why i should hire you
What's the four principles of OOP?
Tell me about your background and experience.
singleton
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