urjent code needed

Coding:

- We have Document domain/entity object with properties of Long id, String fileName, String filePath, int docId.
Please write a java code that will:
1. Implements hashCode() and equals() for this object
2. Write method to search that Document object in List.

Doc(1, test.pdf, "c:\temp\test.pdf", 1234);
Doc(1, test.pdf, "c:\temp\test.pdf", 2222);
Doc(1, test.pdf, "c:\temp\test.pdf", 3333);

Document findDocument(int docId){
// your code is here
}


Document findDocument(Document doc){

//your code is here

}