冰冻
发表于 2025-3-21 16:38:41
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吗啡
发表于 2025-3-21 20:47:44
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Offstage
发表于 2025-3-22 01:27:15
Inheritance,The main objective of inheritance is to promote reusability and eliminate redundancy (of code). Here a child class obtains the features of its parent class. By parent class we mean the class which is at the higher level in the class hierarchy compared to another class (which is termed as a child class)
窃喜
发表于 2025-3-22 08:18:01
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Organonitrile
发表于 2025-3-22 09:51:57
Overriding,Sometimes we want to redefine or modify the behavior of our parent class. Method overriding comes into picture in such a scenario.
我不死扛
发表于 2025-3-22 15:40:12
Interface,With the interface, we declare what we are going to implement but we are not specifying how we are going to that. These are similar to classes but with no instance variables and all of their methods are declared without a body (i.e. methods are actually abstract).
FAST
发表于 2025-3-22 17:20:56
OOPs Concepts Revisited,Teacher says: Go through the following program and analysis.
健忘症
发表于 2025-3-22 21:42:10
Use of static keyword,Look at the output carefully. Look at the order of the output. You can see the statements in the static block printed on the top of output. Even before the execution of the static block, the static variables were initialized. Later static block changed the values (which are reflected clearly when we call the static method).
协议
发表于 2025-3-23 02:52:39
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medieval
发表于 2025-3-23 09:18:05
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