what is the difference between abstract class and Interface?where we can use it in realtime projects?
23 647767) Suppose there is Student class like class student { int age; string name; } We want to store these objects in a HashMap. Do we need to override any methods in Student class? If any which ones and why? what if i just override equals or just hashcode? what will be the results in both the cases?
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consiteunts of indian railways
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What is fused?
What is #define used for in c?
Can fields inside a class be virtual?
