[SOLVED] Product listing and sorting program in Java with full source code

(Manipulating a Stream<Invoice )

• Use the class Invoice to create a List of Invoice objects.
• Use the sample data shown in the Fig.
• Class Invoice includes four properties
• PartNumber (type int ),
• PartDescription (type String ),
• Quantity of the item being purchased (type int ) and
• Price (type double ).
• Perform the following queries on the List of Invoice objects and display the results:
• Use lambdas and streams to sort the Invoice objects by PartDescription , then display the results.
• Use lambdas and streams to sort the Invoice objects by Price , then display the results.
• Use lambdas and streams to map each Invoice to its PartDescription and Quantity , sort the results by Quantity , then display the results.
• Use lambdas and streams to map each Invoice to its PartDescription and the value of the Invoice (i.e., Quantity * Price ). Order the results by Invoice value.
• Modify Part (d) to select the Invoice values in the range $200 to $500.

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