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Java !Write once, run anywhere
Interface in Java
Interface in java
Interface ?
Example of Interface
Multiple inheritance by Interface
Why multiple inheritance is supported in Interface while it is not supported in case of class.
Marker Interface
Nested Interface
Example of Interface
Multiple inheritance by Interface
Why multiple inheritance is supported in Interface while it is not supported in case of class.
Marker Interface
Nested Interface
Abstract class in Java
A class that is declared with abstract keyword, is known as abstract class in java. It can have abstract and non-abstract methods (method with body).
Before learning java abstract class, let's understand the abstraction in java first.
Inheritance in Java
- Inheritance
- Types of Inheritance
- Why multiple inheritance is not possible in java in case of class?
Method Overloading in Java
Method Overloading in Java
- Different ways to overload the method
- By changing the no. of arguments
- By changing the datatype
- Why method overloading is not possible by changing the return type
- Can we overload the main method
- method overloading with Type Promotion
Object và Class trong Java
Object và Class trong Java
- Object in Java
- Class in Java
- Instace Variable in Java
- Method in Java
- Example of Object and class that maintains the records of student
- Annonymous Object
Đối tượng là vật lý cũng như thực thể logic trong khi lớp là thực thể duy nhất hợp lý.
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