Using Merge Sort: (In Java) (Please screenshot or copy your output file in the a

Question

Using Merge Sort: (In Java) (Please screenshot or copy your output file in the answer)

Please note that the focus is on Merging and don't forget the following constraint:

Programming Steps:

1) Create a class called Art that implements Comparable interface.

2) Read part of the file and use Merge Sort to sort the array of Art and then write them to a file.

3) Read some more records from the file, sort them, and merge them with the sorted file on the disk.

4) Repeat the above step until it is all done.

5) Sort Artist ID first and then Art ID.

6) Sort 30 Art IDs at a time. FIrst 30, then other 30, then other 30 and so on.

7) Create temporory files to store the sorted records in.

8) After sorting all Art IDs, merge them and write to output file "p6Out.txt"

Additional Specs and Requirements:

1. Your RAM can only holds 30 records at most at any time;

2. Read the files into arrays, 30 records at a time.

3. Sort them and then write to a temporary output file.

4. So, with 116 input Art records you should have 4 temporary sorted files.

5.  You then merge two files into one, so you will then create more temp files.

6. Eventually you will have two temp files left and you merge these two into the file output file.

7. Keep all the temperorary files and their output.

Read the programming steps for guidance.

File specifications:

a) The input file that you are going to use is the tab-delimited text file "p1arts.txt".

b) the output file that you are going to produce using File I/O is also the tabdelimited text file called "p6Out.txt" which is sorted ascendingly on artistID and then artID both.

Example output follows:

(sample output)

ArtistID ArtID Title Appraised Value

1   1038   Spring Flowers   800
1   1050   Cattle Ranch   10000
1   1103   Trail End   8000
2   1042   Coffee on the Trail   7544
3   1013   Superstitions   78000
3   1021   Bead Wall   14000
3   1034   Beaver Pole Jumble   28000
3   1063   Asleep in the Garden   110000
4   1070   Beginnings   27500
5   1036   Blackhawk   25500
6   1017   Brittlecone   1300
6   1053   Blue Eyed Indian   40000
6   1056   Cavalry Is Coming   1900
6   1075   Western Boots and Spurs   6000
6   1077   Bull Riding   5200
7   1049   Buttercup with Red Lip   400
8   1018   Mountain Scene   2500
9   1055   Starlit Evening   9500
10   1096   Ceremonial Sticks   15000
11   1090   Off the Grid   8000
12   1003   Spring Flowers   2400
13   1081   Coming Under Fire   650
14   1039   Treachery   20000
14   1102   Crying Hats   10000
15   1073   Dancing in the Light   4000
16   1052   American Rodeo   3500
17   1059   Dwelling   16000
18   1005   The Hang   8000
19   1011   Eve   975
20   1099   Watch That Rattler   900
21   1037   Floating World   2350
22   1109   Friends   16000
23   1084   Crossing the Platt River   2200
24   1072   Funnel   4500
25   1115   Starry Night   8500
26   1008   End of the Path   1900
27   1112   Dark Canyon   8000
28   1009   Amen   3000
28   1030   Ash Bench   13000
28   1043   Creosote Bushes   18000
28   1078   Chuckwagon   32000
29   1041   Night Version   3800
29   1082   Spring Flowers   20000
30   1116   Apache Warrior   23000
31   1029   Horseshoe Falls   15000
32   1006   House Remembered   700
33   1046   Immediate Gratification   1500
34   1031   Inside/Out   3500
35   1107   Striking It Rich   1750
36   1051   Night Version   7000
37   1088   Lessons   3700
38   1045   Leaf Patterns   2100
38   1100   Hungry Cowboys   750
39   1094   Life Is Sweet   25000
40   1106   Horse Corral   12500
41   1062   Cowboy and Saddle   18000
42   1032   Rising Sun   2000
42   1060   Story Sticks   650
43   1044   Mexican Fiesta   14000
44   1047   Medicine Man   2500
45   1014   Plenty   500
46   1015   Punch   10000
47   1023   Shooting the Rapids   1300
47   1027   Mountain Climber   4700
47   1035   Nature/Nurture   1300
47   1040   Night on the Praire   1300
47   1065   Moonlite   1300
47   1092   Dressing Up   1300
48   1024   Spirit and Nature   592
49   1067   Owl in Flight   7000
50   1001   Red Rock Mountain   18000
50   1028   Tired Cowboy   4700
50   1054   Snake Charmer   4500
50   1068   Moonlight   9750
50   1069   Renaissance   5500
50   1113   Shadow House   5500
50   1114   Storytelling at the Campfire   18000
51   1064   Spirit Columns   7000
52   1002   Offerings   10000
53   1089   Life Lessons   4125
54   1091   Stone Palette   11500
55   1074   Storm on the Rise   8000
56   1098   Sweet Project   592
57   1048   Comfy Chair   800
58   1101   The Red Door   10000
59   1080   The Dust Behind   18000
60   1058   The Gathering   250
61   1019   The White Heart   9300
61   1095   The Spirit   20000
62   1079   Carrying the Mail   8000
62   1093   Antelopes   12500
62   1110   Three Sisters   6500
63   1085   Traces   20000
64   1004   Seeking Shelter   52000
64   1083   Untitled   2500
65   1016   Untitled   6000
66   1026   Untitled (couple)   4000
66   1057   Untitled   4500
67   1086   Untitled (desert landscape)   18000
68   1025   Profile of a Woman   625
69   1022   The Cowboy   4200
70   1104   Untitled   1800
71   1010   Untitled (land with adobe)   800
72   1111   Untitled (man and crucifix)   3200
73   1020   Untitled (Man holding coat)   3000
74   1012   Man on Horseback   8000
75   1097   Untitled (Sea)   2800
76   1066   Untitled (still life)   19500
77   1033   Untitled (Woman abstract)   2500
77   1108   Untitled Mural   400
78   1061   Untitled Mural   3520
79   1071   Ride the Rapids   300
79   1076   Ride the Bronco   1500
80   1105   Meteor Show   10000
81   1087   Three Woman   20000
82   1007   Homage to the Ancestors   1200

p1arts.txt:

I am providing the sample programs that you might need:

Name.java:

Artist.java:

MergeSort.java:

ArraySorter.java:

Name.java:

Artist.java:

Driver.java:

Explanation / Answer

private static category BinOpNode extends ExpNode quantity.
ExpNode right; // The expression for its right quantity.
BinOpNode(char op, ExpNode left, ExpNode right) the required information.
assert op == '+' || op == '-' || op == '*' || op == '/';
assert left != null && right != null;
this.op = op;
this.left = left;
this.right = right;
}
double value() the worth is obtained by evaluating the left and right
// operands and mixing the values with the operator.
double x = left.value();
double y = right.value();
switch (op) come x + y;
case '-':
come back x - y;
case '*':
come back x * y;
case '/':
come back x / y;
default:   
come back Double.NaN; // dangerous operator! mustn't be potential.
}
}
void printStackCommands() to guage the expression on a stack machine, first do
// no matter is important to guage the left quantity, leaving
// the solution on the stack. Then do constant issue for the
// second quantity. Then apply the operator (which suggests that sound
// the operands, applying the operator, and pushing the result).
left.printStackCommands();
right.printStackCommands();
System.out.println(" Operator " + op);
}
}
It's also attention-grabbing to appear at the new parsing subroutines. rather than computing a worth, every subprogram builds AN expression tree. as an example, the subprogram like the rule for <expression> becomes

static ExpNode expressionTree() throws ParseError browse AN expression from the present line of input and
// come back AN expression tree representing the expression.
TextIO.skipBlanks();
mathematician negative; // True if there's a number one sign.
negative = false;
if (TextIO.peek() == '-')
ExpNode exp; // The expression tree for the expression.
exp = termTree(); // begin with a tree for 1st term.
if (negative) single minus operator to the term we've
// simply scan.
exp = new UnaryMinusNode(exp);
}
TextIO.skipBlanks();
whereas ( TextIO.peek() == '+' || TextIO.peek() == '-' ) {
// scan successive term and mix it with the
// previous terms into an even bigger expression tree.
char op = TextIO.getAnyChar();
ExpNode nextTerm = termTree();
// produce a tree that applies the binary operator
// to the previous tree and also the term we tend to simply scan.
exp = new BinOpNode(op, exp, nextTerm);
TextIO.skipBlanks();
}
come back exp;
} // finish expressionTree()

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