Import? Java . util . ArrayList；
Import? Java . util . list；
Import? Java . util . scanner；
Public? Class? Testing? {
Public? Static electricity Void? main（String【】？ args）？ {
Scanner? In = new? Scanner (system. in);
List & lt objects & gt? List? =? New? ArrayList（）；
System.out.println ("Please enter loan amount = =");
A loan? A loan? =? New? loan（in . next double（））；
List.add (loan);
System.out.println ("Please enter the time string = =");
My date? My date? =? New? mydate（in . next（））；
list . add（my date）；
For what? （int？ Me? =? 0; ? Me? & lt？ list . size（）； ? i++）？ {
system . out . println（list . get（I）。 toString())；
}
}
}
//loan category
Public? Class? A loan? {
Private? Double? Loans;
Public? A loan? (Double? Loan){// constructor assignment? You can also use set? way
This. A loan? =? Loans;
}
@ Overlay
Public? String? toString（）？ {
Return? "loan:"+loan;
}
}
//Mydate？ kind
Public? Class? My date? {
Private? String? Date;
Public? My date (string? Date) {
This. Date? =? Date;
}
@ Overlay
Public? String? toString（）？ {
Return? "Date:"+date;
}
} just run the test class. I only wrote two songs. Everything else is just the difference between member variables. I hope it helps you.