diff --git a/Axel/src/de/hs_mannheim/informatik/spreadsheet/Spreadsheet.java b/Axel/src/de/hs_mannheim/informatik/spreadsheet/Spreadsheet.java index 1ff2a95..1760287 100644 --- a/Axel/src/de/hs_mannheim/informatik/spreadsheet/Spreadsheet.java +++ b/Axel/src/de/hs_mannheim/informatik/spreadsheet/Spreadsheet.java @@ -36,6 +36,11 @@ public class Spreadsheet { for (int c = 0; c < colWithMax26; c++) cells[r][c] = new Cell(); } + /** + * Sets a Spreadsheet of size rows * cols. + * @param rows number of rows + * @param cols number of columns + */ public void changeSize(int rows, int cols) { cells = new Cell[0][0]; @@ -69,7 +74,7 @@ public class Spreadsheet { cellName = cellName.toUpperCase(); return get(getRow(cellName), getCol(cellName)); } - private void put(int row, int col, String value) { + void put(int row, int col, String value) { if (!value.startsWith("=")) cells[row][col].setValue(value); else { @@ -204,7 +209,7 @@ public class Spreadsheet { * @param endCellName The name of the cell in the lower right corner of the rectangle. * @return The sum calculated. */ - private long sum(String startCellName, String endCellName) { + public long sum(String startCellName, String endCellName) { long res = 0; for(int j = getRow(startCellName); j<= (getRow(endCellName));j++){ for(int i = getCol(startCellName); i<= (getCol(endCellName));i++) { @@ -221,7 +226,7 @@ public class Spreadsheet { * @param endCellName The name of the cell in the lower right corner of the rectangle. * @return The product calculated. */ - private long prod(String startCellName, String endCellName) { + public long prod(String startCellName, String endCellName) { long res = 1; boolean anyNumbers= false; for(int j = getRow(startCellName); j<= (getRow(endCellName));j++){ @@ -243,7 +248,7 @@ public class Spreadsheet { * @param endCellName The name of the cell in the lower right corner of the rectangle. * @return The Mid Value calculated. */ - private long mid(String startCellName, String endCellName) { + public long mid(String startCellName, String endCellName) { long res = 0; int Numbers= 0; for(int j = getRow(startCellName); j<= (getRow(endCellName));j++){ @@ -263,7 +268,7 @@ public class Spreadsheet { * @param endCellName The name of the cell in the lower right corner of the rectangle. * @return The Standard deviation calculated. */ - private long stabw(String startCellName, String endCellName) { + public long stabw(String startCellName, String endCellName) { long res=0; long midSum=0; //mid(startCellName,endCellName) @@ -297,7 +302,7 @@ public class Spreadsheet { * @param endCellName The name of the cell in the lower right corner of the rectangle. * @return The minimum value calculated. */ - private long min(String startCellName, String endCellName) { + public long min(String startCellName, String endCellName) { long res = 0; List args = new ArrayList<>(); for(int j = getRow(startCellName); j<= (getRow(endCellName));j++){ @@ -323,7 +328,7 @@ public class Spreadsheet { * @param endCellName The name of the cell in the lower right corner of the rectangle. * @return The maximum value calculated. */ - private long max(String startCellName, String endCellName) { + public long max(String startCellName, String endCellName) { long res = 0; List args = new ArrayList<>(); for(int j = getRow(startCellName); j<= (getRow(endCellName));j++){ diff --git a/Axel/src/de/hs_mannheim/informatik/spreadsheet/nr5.java b/Axel/src/de/hs_mannheim/informatik/spreadsheet/nr5.java new file mode 100644 index 0000000..c54eb7b --- /dev/null +++ b/Axel/src/de/hs_mannheim/informatik/spreadsheet/nr5.java @@ -0,0 +1,140 @@ +package de.hs_mannheim.informatik.spreadsheet; + +import static org.junit.jupiter.api.Assertions.*; + +import org.junit.jupiter.api.Test; + +public class nr5 { + private Spreadsheet spr; + private String[] spreadsheetData = { + "40", "12", "87", "54", "32", "66", "78", "21", "90", "89", + "25", "74", "88", "91", "33", "98", "67", "45", "19", "11", + "65", "69", "50", "84", "74", "61", "53", "99", "29", "46", + "16", "89", "79", "62", "45", "31", "73", "23", "13", "81", + "60", "88", "45", "51", "36", "16", "46", "3", "18", "85", + "4", "27", "87", "91", "29", "84", "95", "65", "71", "94", + "84", "49", "3", "79", "67", "89", "10", "74", "77", "51", + "48", "38", "41", "59", "2", "15", "62", "18", "40", "29", + "93", "13", "5", "58", "30", "64", "58", "6", "67", "96", + "67", "77", "25", "81", "87", "27", "53", "31", "85", "98"}; + + public void setup() { + spr = new Spreadsheet(10,10); + + for(int i=0;i<10;i++) { + for(int j=0;j<10;j++) { + spr.put(i,j, spreadsheetData[i+j*10]); + } + } + } + + @Test + public void testSum() { + setup(); + System.out.println(spr); + long expectedSum = 40 + 12 + 87 + 54 + 32 + 66 + 78 + 21 + 90 + 89 + + 25 + 74 + 88 + 91 + 33 + 98 + 67 + 45 + 19 + 11 + + 65 + 69 + 50 + 84 + 74 + 61 + 53 + 99 + 29 + 46 + + 16 + 89 + 79 + 62 + 45 + 31 + 73 + 23 + 13 + 81 + + 60 + 88 + 45 + 51 + 36 + 16 + 46 + 3 + 18 + 85 + + 4 + 27 + 87 + 91 + 29 + 84 + 95 + 65 + 71 + 94 + + 84 + 49 + 3 + 79 + 67 + 89 + 10 + 74 + 77 + 51 + + 48 + 38 + 41 + 59 + 2 + 15 + 62 + 18 + 40 + 29 + + 93 + 13 + 5 + 58 + 30 + 64 + 58 + 6 + 67 + 96 + + 67 + 77 + 25 + 81 + 87 + 27 + 53 + 31 + 85 + 98; + + assertEquals(expectedSum, spr.sum("A1", "J10")); + } + + + @Test + public void testProd() { + setup(); + long expectedProduct = 1; + for (String value : spreadsheetData) { + expectedProduct *= Integer.parseInt(value); + } + assertEquals(expectedProduct, spr.prod("A1", "J10")); + } + @Test + public void testMid() { + setup(); + int mid = 0; + for (String value : spreadsheetData) { + mid += Integer.parseInt(value); + } + mid /= 100; + + assertEquals((long) mid, spr.mid("A1", "J10")); + } + @Test + public void testStabw() { + setup(); + double Stabw = stabw(); + assertEquals((long) Stabw, spr.stabw("A1", "J10")); + } + @Test + public void testMin() { + setup(); + long Min = calMin(); + assertEquals(Min, spr.min("A1", "J10")); + } + @Test + public void testMax() { + setup(); + long Max = calMax(); + assertEquals(Max, spr.max("A1", "J10")); + } + + + + + + private double stabw() { + double midVal = cMV(); + double sum = 0.0; + int numbers = 0; + for (String value : spreadsheetData) { + if (!value.isBlank()) { + long longValue = Long.parseLong(value); + sum += Math.pow(longValue - midVal, 2); + numbers++; + } + } + return Math.sqrt(sum / numbers); + } + private double cMV() { + double midSum = 0.0; + int numbers = 0; + for (String value : spreadsheetData) { + if (!value.isBlank()) { + midSum += Long.parseLong(value); + numbers++; + } + } + return midSum / numbers; + } + private long calMin() { + long min = Long.MAX_VALUE; + for (String value : spreadsheetData) { + if (!value.isBlank()) { + long longValue = Long.parseLong(value); + min = Math.min(min, longValue); + } + } + return min; + } + private long calMax() { + long max = Long.MIN_VALUE; + + for (String value : spreadsheetData) { + if (!value.isBlank()) { + long longValue = Long.parseLong(value); + max = Math.max(max, longValue); + } + } + + return max; + } +} +