Generics(Function and Class) in Java

GenericProcessor.java

/**
* Generic Function example
* GenericProcessor has a generic function that takes two generic arguments of type T
* One of them is the object of type T
* Another one is the object that processes objects of type T 
*/
public class GenericProcessor {
    private <T> void processObjectGivenProcessor(
            T object,
            Processor<T> processor) {
        processor.process(object)
    }
}

IntegerProcessor.java

// IntegerProcessor - implements Processor for Integer type - processes Integer objects
public class IntegerProcessor implements Processor<Integer> {
    public void process(Integer obj) {
        // process Integer object here
    }
}

Processor.java

// Processor interface - that processes object of type T 
public interface Processor<T> {
    void process(T obj);
}

StringProcessor.java

// StringProcessor - implements Processor for String type - processes String objects
public class StringProcessor implements Processor<String> {
    public void process(String obj) {
        // process String object here
    }
}