What is the role of java Consumer interface

1. Description

consumer represents consumption. The interface accepts the general parameter t, calls accept, and performs a series of operations on the parameters, but does not return a value.

2. Example

For Consumer, we need to provide input parameters for consumption.

class Person {
    String firstName;
    String lastName;
 
    Person() {}
 
    Person(String firstName, String lastName) {
        this.firstName = firstName;
        this.lastName = lastName;
    }
}

What can Java be used for?

Java is mainly used in: 1. web development; 2. Android development; 3. client development; 4. web development; 5. enterprise application development ; 6. Java big data development; 7. Game development, etc.

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