Question
Can anyone adjust my code so that it passing the toString test in TestCompressedArray.java exercise, its format is off and I can't figure how to
Can anyone adjust my code so that it passing the toString test in TestCompressedArray.java exercise, its format is off and I can't figure how to output the compressed array its asking for:
public class TestCompressedArray {
public static void main(String[] args) {
double[][] origArray1 = new double[][] { new double[] {15.2, 43.6, 28.2, 35.0, 95.5}, new double[] {29.5, 88.3, 72.1, 44.4, 37.4}, new double[] {10.8, 16.4, 74.6, 91.7, 36.2}, new double[] {87.8, 12.2, 63.7, 19.6, 73.1}, new double[] {13.9, 25.0, 77.4, 97.4, 30.5}, }; CompressedArray arr1 = new CompressedArray(origArray1);
// --------------------------------------------------------- // Test 1 - getLength() on a CompressedArray object // --------------------------------------------------------- if (arr1.getLength() == 10) { System.out.println("Test 1 Passed"); } else { System.out.println("Test 1 Failed"); }
// --------------------------------------------------------- // Test 2 - toString() method on a CompressedArray // --------------------------------------------------------- String soln = " 29.50 10.80 16.40 87.80 12.20 63.70 13.90 25.00 77.40 97.40 ";
if (arr1.toString().equals(soln)) { System.out.println("Test 2 Passed"); } else { System.out.println("Test 2 Failed"); //System.out.println(arr1); }
double[][] origArray2 = new double[][] { new double[] {5.8, 10.4, -4.7, 13.7}, new double[] {10.4, 7.1, -19.3, 4.8}, new double[] {-4.7, -19.3, 5.1, 17.2}, new double[] {13.7, 4.8, 17.2, -6.7} };
double[][] origArray3 = new double[][] { new double[] {5.8, 12.3, -11.6, 21.3}, new double[] {10.4, 7.1, 0.2, 35.0}, new double[] {-4.7, -19.3, 5.1, 18.4}, new double[] {13.7, 4.8, 17.2, -6.7} }; double[][] origArray4 = new double[][] { new double[] {10.4, 7.1, 0.2, 35.0}, new double[] {-4.7, -19.3, 5.1, 18.4}, new double[] {13.7, 4.8, 17.2, -6.7}, new double[] {5.8, 12.3, -11.6, 21.3}, };
CompressedArray arr2 = new CompressedArray(origArray2); CompressedArray arr3 = new CompressedArray(origArray3); CompressedArray arr4 = new CompressedArray(origArray4);
// --------------------------------------------------------- // Test 3 - getLength() on more CompressedArray objects // --------------------------------------------------------- if (arr2.getLength() == 6 && arr3.getLength() == 6 && arr4.getLength() == 6) { System.out.println("Test 3 Passed"); } else { System.out.println("Test 3 Failed"); } // --------------------------------------------------------- // Test 4 - equals() between two CompressedArray objects // --------------------------------------------------------- if (!arr2.equals(arr4) && !arr3.equals(arr4)) { System.out.println("Test 4 Passed"); } else { System.out.println("Test 4 Failed"); } // --------------------------------------------------------- // Test 5 - equals() between two CompressedArray objects // ---------------------------------------------------------
if (arr2.equals(arr3)) { System.out.println("Test 5 Passed"); } else { System.out.println("Test 5 Failed"); }
} }
import java.util.Arrays; public class CompressedArray { private int origArraySize; private double array[]; public CompressedArray (double[][] aArray) { int n = aArray.length; int total = (n * (n - 1)) / 2; int i, j, k = 0; origArraySize = total; array = new double[total]; for (i = 0; i j) array[k++] = aArray[i][i]; } } } public int getLength () { return origArraySize; } public double getElement(int i) { return array[i]; } @Override public boolean equals(Object obj) { if (this == obj) { return true; } if (obj == null) { return false; } if (getClass() != obj.getClass()) { return false; } final CompressedArray other = (CompressedArray) obj; if (this.origArraySize != other.origArraySize ) { return false; } if (!Arrays.equals(this.array, other.array)) { return false; } return true; } @Override public String toString() { String t = ""; for (int i = 0; i
} }
TestCompressedArray.java X 1 City.java Program.java CompressedArray.java X TestProgram.java 1 import java.util.Arrays; 2 public class CompressedArray ( private int origArraySize; private double array(); 2 public class TestCompressedArray ( 44 public static void main(String[] args) { 60 7 8 10 11 public CompressedArray (double[][] aArray) { int n = aArray.length; int total = (n * (n - 1)) / 2; int i, j, k = 0; origArraySize = total; array = new double[total]; for (i = 0; iStep by Step Solution
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