Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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WHAT IS WRONG WITH THE CODE??? HOW DO YOU SOLVE THESES ERRORS???
![Online Java Compiler
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Main.java
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1- import java.util.Scanner;
♠ javac /tmp/ES4onxIySG/Main.java
2 import java.util. Random; // corrected: // removed
/tmp/ES4onxIySG/Main.java:19: error: incompatible types: int[][] cannot be converted to int[]
3
int[] dicePairSums = addDicePairs(dicePairs); //corrected: int[][] dicePairSums to int[] dicePairSums
^
4
5 public class Main {
/tmp/ES4onxIySG/Main.java:20: error: cannot find symbol
6
printDicePairsSum(dicePairs); // name of function is incorrect so changed.
7
public static void main(String[] args) { //corrected: string() to string[]
8
symbol: method printDicePairsSum(int[][])
9
Scanner input = new Scanner(System.in);
location: class Main
10
/tmp/ES4onxIySG/Main.java:59: error: incompatible types: int[] cannot be converted to int[][]
return pairSums;
11
System.out.println("Enter a amount of times a pair of dice will roll: ");
12
int times-input.nextInt (); // corrected: keyboard to input
13
3 errors
14
15
int[][] dicePairs = rollDicePairs (times); // corrected: int[] dicePairs to int[][] dicePairs
System.out.println("The rolled pairs of numbers are: ");
printDicePairs(dicePairs);
16
17
18
System.out.println("The sum of each pairs of numbers are: ");
19
int[] dicePairSums = addDicePairs(dicePairs); //corrected: int[][] dicePairSums to int[]
dicePairSums
20
printDicePairsSum(dicePairs); // name of function is incorrect so changed
21
22
}
23
24
//dicePairsSums -> dicepairSums
25
26
// name was given incorrectly
27
28
29
30
public static int[][] rollDicePairs(int times) { //public static double [] [] to public static int[][]
int[][] dice=new int[times] [2];
31
32
Random die=new Random();
33 ▾
for (int x=0; x<times; x++) {
34 ▾
for(int y=0; y<2; y++) {
35
dice[x][y] =1+die.nextInt (6);
36
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ENG
9:54 pm
24/05/2022
:
1](https://content.bartleby.com/qna-images/question/97ca4758-a134-4ba5-a07a-389040228297/4441c763-e083-4fba-982e-7d476e845186/os0m4kg_processed.png)
Transcribed Image Text:Online Java Compiler
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Main.java
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Output
Clear
1- import java.util.Scanner;
♠ javac /tmp/ES4onxIySG/Main.java
2 import java.util. Random; // corrected: // removed
/tmp/ES4onxIySG/Main.java:19: error: incompatible types: int[][] cannot be converted to int[]
3
int[] dicePairSums = addDicePairs(dicePairs); //corrected: int[][] dicePairSums to int[] dicePairSums
^
4
5 public class Main {
/tmp/ES4onxIySG/Main.java:20: error: cannot find symbol
6
printDicePairsSum(dicePairs); // name of function is incorrect so changed.
7
public static void main(String[] args) { //corrected: string() to string[]
8
symbol: method printDicePairsSum(int[][])
9
Scanner input = new Scanner(System.in);
location: class Main
10
/tmp/ES4onxIySG/Main.java:59: error: incompatible types: int[] cannot be converted to int[][]
return pairSums;
11
System.out.println("Enter a amount of times a pair of dice will roll: ");
12
int times-input.nextInt (); // corrected: keyboard to input
13
3 errors
14
15
int[][] dicePairs = rollDicePairs (times); // corrected: int[] dicePairs to int[][] dicePairs
System.out.println("The rolled pairs of numbers are: ");
printDicePairs(dicePairs);
16
17
18
System.out.println("The sum of each pairs of numbers are: ");
19
int[] dicePairSums = addDicePairs(dicePairs); //corrected: int[][] dicePairSums to int[]
dicePairSums
20
printDicePairsSum(dicePairs); // name of function is incorrect so changed
21
22
}
23
24
//dicePairsSums -> dicepairSums
25
26
// name was given incorrectly
27
28
29
30
public static int[][] rollDicePairs(int times) { //public static double [] [] to public static int[][]
int[][] dice=new int[times] [2];
31
32
Random die=new Random();
33 ▾
for (int x=0; x<times; x++) {
34 ▾
for(int y=0; y<2; y++) {
35
dice[x][y] =1+die.nextInt (6);
36
HH
W
10
29°C Mostly clear
Type here to search
0;
x
ENG
9:54 pm
24/05/2022
:
1
![Online Java Compiler
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Programiz Java Online Compiler
Main.java
33 ▾
for (int x=0; x<times; x++) {
34-
for (int y=0; y<2; y++) {
35
dice[x][y] =1+die.nextInt (6);
36
}
37
}
38
return dice;
39
}
40
41-
public static void printDicePairs (int[][] dicePairs){
42-
for (int[] pair: dicePairs) {
43-
for (int roll: pair) {
44
System.out.println(roll+" ");
45
}
46
System.out.println("");
47
}
48
}
49
50
public static int[][] addDicePairs(int [][] dicePairs){ // corrected: addDicePairs() to addDicePairs
(int[][] dicePairs)
51
int[] pairSums=new int[dicePairs.length];
52-
for (int x=0; x<pair Sums.length; x++) {
53
int sum=0;
54-
for(int y=0; y<dicePairs [x].length; y++) {
55
sum+=dicePairs [x][y];
56
}
57
pairSums [x]=sum;
58
}
59
return pairSums;
60
}
61
62-
public static void printDicePairs Sums (int[] dicePairSums) { //public static String to public static
void
63 -
for (int sum: dicePairSums) {
64
System.out.println(sum+" ");
65
}
66
67 }
W
10
}
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Output
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• javac /tmp/ES4onxIySG/Main.java
/tmp/ES4onxIySG/Main.java:19: error: incompatible types: int[][] cannot be converted to int[]
int[] dicePairSums = addDicePairs(dicePairs); //corrected: int[][] dicePairSums to int[] dicePairSums
A
/tmp/ES4onxIySG/Main.java:20: error: cannot find symbol
printDicePairsSum(dicePairs); // name of function is incorrect so changed.
^
symbol: method printDicePairsSum(int[][])
location: class Main
/tmp/ES4onxIySG/Main.java:59: error: incompatible types: int[] cannot be converted to int[][]
return pairSums;
3 errors
29°C Mostly clear
ENG
9:54 pm
24/05/2022
:
1](https://content.bartleby.com/qna-images/question/97ca4758-a134-4ba5-a07a-389040228297/4441c763-e083-4fba-982e-7d476e845186/sre08ov_processed.png)
Transcribed Image Text:Online Java Compiler
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Programiz Java Online Compiler
Main.java
33 ▾
for (int x=0; x<times; x++) {
34-
for (int y=0; y<2; y++) {
35
dice[x][y] =1+die.nextInt (6);
36
}
37
}
38
return dice;
39
}
40
41-
public static void printDicePairs (int[][] dicePairs){
42-
for (int[] pair: dicePairs) {
43-
for (int roll: pair) {
44
System.out.println(roll+" ");
45
}
46
System.out.println("");
47
}
48
}
49
50
public static int[][] addDicePairs(int [][] dicePairs){ // corrected: addDicePairs() to addDicePairs
(int[][] dicePairs)
51
int[] pairSums=new int[dicePairs.length];
52-
for (int x=0; x<pair Sums.length; x++) {
53
int sum=0;
54-
for(int y=0; y<dicePairs [x].length; y++) {
55
sum+=dicePairs [x][y];
56
}
57
pairSums [x]=sum;
58
}
59
return pairSums;
60
}
61
62-
public static void printDicePairs Sums (int[] dicePairSums) { //public static String to public static
void
63 -
for (int sum: dicePairSums) {
64
System.out.println(sum+" ");
65
}
66
67 }
W
10
}
Type here to search
O
0;
x
0
To use dictation, go to Settings and turn on online speech recognition
Learn Java App
G
Run
Output
Clear
• javac /tmp/ES4onxIySG/Main.java
/tmp/ES4onxIySG/Main.java:19: error: incompatible types: int[][] cannot be converted to int[]
int[] dicePairSums = addDicePairs(dicePairs); //corrected: int[][] dicePairSums to int[] dicePairSums
A
/tmp/ES4onxIySG/Main.java:20: error: cannot find symbol
printDicePairsSum(dicePairs); // name of function is incorrect so changed.
^
symbol: method printDicePairsSum(int[][])
location: class Main
/tmp/ES4onxIySG/Main.java:59: error: incompatible types: int[] cannot be converted to int[][]
return pairSums;
3 errors
29°C Mostly clear
ENG
9:54 pm
24/05/2022
:
1
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