What are the javabean attributes?

javabean attributes include: 1. Basic data type attributes; 2. String attributes; 3. Array attributes; 4. Collection attributes; 5. Enumeration type attributes; 6. Custom type attributes. JavaBean properties can be any Java type, including basic data types, strings, arrays, collections, enumerated types, and custom types. The JavaBean specification requires that properties be declared private and accessed and modified through public get/set methods.

#JavaBean is a reusable component written in Java language. It is a class that conforms to the JavaBean specification and has a no-argument constructor, private properties and public get/set methods.

JavaBean properties are variables or fields in JavaBean, which can be accessed and modified by the get/set method. The following are some common JavaBean attributes:

1. Basic data type attributes: boolean, byte, char, short, int, long, float, double, etc.

2. String attributes: String type attributes.

3. Array attributes: including arrays of basic data types and arrays of objects.

4. Collection attributes: Collections in Java include List, Set, Map and other types.

5. Enumeration type attributes: enumeration type in Java.

6. Custom type attributes: JavaBean can contain attributes of other JavaBean types, which is also an important way of communication between JavaBean components.

In JavaBeans, properties should be declared private and accessed and modified through public get/set methods. For example, a JavaBean property named name should be declared as:

private String name;
public String getName() {
    return name;
}
public void setName(String name) {
    this.name = name;
}

In the above code, the private property name is accessed and modified by the public getName and setName methods.

In short, JavaBean properties can be any Java type, including basic data types, strings, arrays, collections, enumeration types and custom types. The JavaBean specification requires that properties be declared private and accessed and modified through public get/set methods.

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