Detailed examples of Java internal classes
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Java
Detailed examples of Java internal classes
You can put the definition of one class inside the definition of another class, which is the inner class.
Internal class is a very useful feature, but it is difficult to understand the use of it (I haven't used internal class much so far, and I only know a little about internal class).
First meeting
Internal classes are very easy to understand from the outside. It is nothing more than defining a class inside a class.
public class OuterClass { private String name ; private int age; public String getName() { return name; } public void setName(String name) { this.name = name; } public int getAge() { return age; } public void setAge(int age) { this.age = age; } class InnerClass{ public InnerClass(){ name = "chenssy"; age = 23; } } }
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