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prod() Methode ergänzt

Anastasia Kisner 2024-01-06 20:13:02 +01:00
parent bbbaf7473a
commit bbe478ff81
1 changed files with 20 additions and 4 deletions
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24
Axel/src/de/hs_mannheim/informatik/spreadsheet/Spreadsheet.java
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@ -120,7 +120,7 @@ public class Spreadsheet {
if (formula.startsWith("SUMME(")) // e.g. SUMME(A3:A8) if (formula.startsWith("SUMME(")) // e.g. SUMME(A3:A8)
result = "" + sum(formula.substring(6, colon), endSubstring); result = "" + sum(formula.substring(6, colon), endSubstring);
else if (formula.startsWith("PRODUKT(")) // e.g. PRODUKT(A3:B9) else if (formula.startsWith("PRODUKT(")) // e.g. PRODUKT(A3:B9)
result = "" + prod(formula.substring(9, colon), endSubstring); result = "" + prod(formula.substring(8, colon), endSubstring);
else if (formula.startsWith("MITTELWERT(")) // e.g. MITTELWERT(A3:A5) else if (formula.startsWith("MITTELWERT(")) // e.g. MITTELWERT(A3:A5)
result = "" + mit(formula.substring(12, colon), endSubstring); result = "" + mit(formula.substring(12, colon), endSubstring);
else if (formula.startsWith("STABW(")) // e.g. STABW(C6:D8) -> Standardabweichung else if (formula.startsWith("STABW(")) // e.g. STABW(C6:D8) -> Standardabweichung
@ -153,8 +153,7 @@ public class Spreadsheet {
for(int row = Integer.parseInt(startCellName.substring(1)); row <= Integer.parseInt(endCellName.substring(1)); row++) { for(int row = Integer.parseInt(startCellName.substring(1)); row <= Integer.parseInt(endCellName.substring(1)); row++) {
String value = get((row - 1), (col - 'A')); String value = get((row - 1), (col - 'A')); //"-1" because we start with 1 instead of 0. "-A" because A in ascii is 65, but we start with 0
System.out.println(value);
if(!value.isEmpty()){ if(!value.isEmpty()){
result += Long.parseLong(value); result += Long.parseLong(value);
@ -171,9 +170,26 @@ public class Spreadsheet {
* @return The product calculated. * @return The product calculated.
*/ */
private long prod(String startCellName, String endCellName) { private long prod(String startCellName, String endCellName) {
long result = 0;
for(char col = startCellName.charAt(0); col <= endCellName.charAt(0); col++){
return 0; for(int row = Integer.parseInt(startCellName.substring(1)); row <= Integer.parseInt(endCellName.substring(1)); row++) {
String value = get((row - 1), (col - 'A'));
System.out.println(value);
if(result == 0){
result = Long.parseLong(value);
}
else if(!value.isEmpty() && !(value.equals("0"))){
result *= Long.parseLong(value);
}
}
}
return result;
} }
/** /**