fdai7303
/
AlgoDat
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
Browse Source

Leo: Javadoc Kommentare hinzugefügt

master
fdai7303 1 year ago
parent
15e520952f
commit
ad1eba67eb
2 changed files with 241 additions and 183 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Unified View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 340
      CheckSparseVector.java
  2. 84
      SparseVector.java

340
CheckSparseVector.java
View File

@ -1,171 +1,177 @@
public class CheckSparseVector { public class CheckSparseVector {
public static void main(String[] args) {
//(ausgelagert)
// erstellen des this.Vektors = control Vector
SparseVector controlVector = new SparseVector(10);
controlVector.setElement(0, 10.0);
controlVector.setElement(5, 123.213);
controlVector.setElement(8, 65.01);
controlVector.setElement(9, 112.79);
controlVector.setElement(10, -212.79);
System.out.println("\n");
// erstellen der testVektoren (the 5 "others")
SparseVector otherVector1 = new SparseVector(10);
otherVector1.setElement(0, 10.0);
otherVector1.setElement(5, 123.213);
otherVector1.setElement(8, 65.01);
otherVector1.setElement(9, 112.79);
otherVector1.setElement(10, -212.79);
otherVector1.setElement(12, 12);
System.out.println("\n");
SparseVector otherVector2 = new SparseVector(5);
otherVector2.setElement(0, 0);
otherVector2.setElement(1, 2);
otherVector2.setElement(2, 5);
otherVector2.setElement(3, 11.0);
otherVector2.setElement(4, 22.2);
System.out.println("\n");
SparseVector otherVector3 = new SparseVector(20);
otherVector3.setElement(0,123);
otherVector3.setElement(5,11);
otherVector3.setElement(6,20);
otherVector3.setElement(7,7);
otherVector3.setElement(11,2);
otherVector3.setElement(14,3);
otherVector3.setElement(18,4);
System.out.println("\n");
SparseVector otherVector4 = new SparseVector(10); // ein leerer other. Vektor mit Länge 10
System.out.println("der Wert des otherVector4 an der Position 0 ist: "+ otherVector4.getElement(0)); // 0.0
System.out.println("der Wert des otherVector4 an der Position 5 ist: "+ otherVector4.getElement(5)); // 0.0
System.out.println("der Wert des otherVector4 an der Position 7 ist: "+ otherVector4.getElement(7));// 0.0
System.out.println("der Wert des otherVector4 an der Position 9 ist: " + otherVector4.getElement(9));// 0.0
System.out.println("die Länge des otherVector4 ist: " + otherVector4.getLength()); // 10
try{
System.out.println(otherVector4.getElement(99));
} catch(Exception e){
System.out.println(e);
}
try{
System.out.println(otherVector4.getElement(-1));
} catch(Exception e){
System.out.println(e);
}
System.out.println("\n");
SparseVector otherVector5 = new SparseVector(20); // ein leerer other. Vektor mit Länge 20
System.out.println("der Wert des otherVector5 an der Position 0 ist: "+ otherVector5.getElement(0)); // 0.0
System.out.println("der Wert des otherVector5 an der Position 5 ist: "+ otherVector5.getElement(5)); // 0.0
System.out.println("der Wert des otherVector5 an der Position 17 ist: "+ otherVector5.getElement(17));// 0.0
System.out.println("der Wert des otherVector5 an der Position 19 ist: " + otherVector5.getElement(19));// 0.0
System.out.println("die Länge des otherVector5 ist: " + otherVector5.getLength()); // 20
try{
System.out.println(otherVector5.getElement(20));
} catch(Exception e){
System.out.println(e);
}
try{
System.out.println(otherVector5.getElement(-1));
} catch(Exception e){
System.out.println(e);
}
System.out.println("\n");
// Testen des this. Vektors --> testen Methoden wie getLength(), getElement(), setElement(), removeElement()
System.out.println("die Länge des controlVector ist: " + controlVector.getLength()); // 10
System.out.println("der Wert des controlVector an der Position 5 ist: "+ controlVector.getElement(5)); // 123.213
System.out.println("der Wert des controlVector an der Position 0 ist: " + controlVector.getElement(0)); //10.0
System.out.println("der Wert des controlVector an der Position 1 ist: " + controlVector.getElement(1)); //0.0
try{
System.out.println(controlVector.getElement(99));
} catch(Exception e){
System.out.println(e);
}
try{
System.out.println(controlVector.getElement(-1));
} catch(Exception e){
System.out.println(e);
}
System.out.println("\n");
// testen equal(), wenn die beiden Vektoren identisch sind → should be true, not anymore :)
System.out.println(controlVector.equals(otherVector1));
System.out.println("\n");
controlVector.removeElement(5);
System.out.println("der Wert des controlVector an der Position 5 ist: "+ controlVector.getElement(5)); // 0.0
System.out.println("Die Länge nach remove ist: "+ controlVector.getLength()); // 10
System.out.println("\n");
controlVector.removeElement(7);
System.out.println("der Wert des controlVector an der Position 7 ist: "+ controlVector.getElement(7)); // 0.0
System.out.println("\n");
controlVector.setElement(5, 100);
System.out.println("der Wert des controlVector an der Position 5 ist: "+ controlVector.getElement(5)); //100.0
System.out.println("\n");
// testen equals(other) --> nicht identisch
System.out.println(controlVector.equals(otherVector1)); // should be false, weil der Wert an Index 5 zu 100 gesetzt wurde
System.out.println(controlVector.equals(otherVector2)); // should be false
System.out.println(controlVector.equals(otherVector3)); // should be false
System.out.println(controlVector.equals(otherVector4)); // should be false
System.out.println("\n");
otherVector1.setElement(5, 100);
System.out.println("der Wert des otherVector1 an der Position 5 ist: "+ otherVector1.getElement(5)); //100.0
System.out.println(otherVector1.equals(controlVector));// should be true, weil der Wert an Index 5 von this und other Vektor gleich 100
System.out.println("\n");
// testen add()
controlVector.add(otherVector1);
System.out.println("die Länge des controlVector ist: " + controlVector.getLength()); // 10
System.out.println("der Wert des controlVector an der Position 0 ist: "+ controlVector.getElement(0)); // 10 + 10 = 20
System.out.println("der Wert des controlVector an der Position 5 ist: " + controlVector.getElement(5)); // 100 + 100 = 200
System.out.println("der Wert des controlVector an der Position 6 ist: " + controlVector.getElement(6)); // 0.0
System.out.println("der Wert des controlVector an der Position 8 ist: " + controlVector.getElement(8)); // 65.01 + 65.01 = 130.02
System.out.println("der Wert des controlVector an der Position 9 ist: " + controlVector.getElement(9)); // 112.79 + 112.79 = 225.58
System.out.println("\n");
controlVector.add(otherVector2);
controlVector.setElement(3,90.1);
System.out.println("der Wert des controlVector an der Position 0 ist: "+ controlVector.getElement(0)); // 20
System.out.println("der Wert des controlVector an der Position 3 ist: " + controlVector.getElement(3)); // 90.1
System.out.println("\n");
controlVector.add(otherVector3);
System.out.println("der Wert des controlVector an der Position 0 ist: "+ controlVector.getElement(0)); // 20
System.out.println("der Wert des controlVector an der Position 5 ist: "+ controlVector.getElement(5)); // 200
System.out.println("der Wert des controlVector an der Position 9 ist: "+ controlVector.getElement(9)); // 225.58
System.out.println("\n");
controlVector.add(otherVector4);
System.out.println("der Wert des controlVector an der Position 0 ist: "+ controlVector.getElement(0));
System.out.println("der Wert des controlVector an der Position 5 ist: "+ controlVector.getElement(5));
System.out.println("\n");
controlVector.removeElement(0);
System.out.println("der Wert des controlVector an der Position 0 ist: "+ controlVector.getElement(0)); // 0.0
System.out.println("der Wert des controlVector an der Position 5 ist: "+ controlVector.getElement(5)); // 200
System.out.println("\n");
controlVector.add(otherVector5);
System.out.println("der Wert des controlVector an der Position 0 ist: "+ controlVector.getElement(0)); // 0.0
System.out.println("der Wert des controlVector an der Position 5 ist: "+ controlVector.getElement(5)); // 200
System.out.println("\n");
public static void main(String[] args) {
// (ausgelagert)
// erstellen des this.Vektors = control Vector
SparseVector controlVector = new SparseVector(10);
controlVector.setElement(0, 10.0);
controlVector.setElement(5, 123.213);
controlVector.setElement(8, 65.01);
controlVector.setElement(9, 112.79);
controlVector.setElement(10, -212.79);
System.out.println("\n");
// erstellen der testVektoren (the 5 "others")
SparseVector otherVector1 = new SparseVector(10);
otherVector1.setElement(0, 10.0);
otherVector1.setElement(5, 123.213);
otherVector1.setElement(8, 65.01);
otherVector1.setElement(9, 112.79);
otherVector1.setElement(10, -212.79);
otherVector1.setElement(12, 12);
System.out.println("\n");
SparseVector otherVector2 = new SparseVector(5);
otherVector2.setElement(0, 0);
otherVector2.setElement(1, 2);
otherVector2.setElement(2, 5);
otherVector2.setElement(3, 11.0);
otherVector2.setElement(4, 22.2);
System.out.println("\n");
SparseVector otherVector3 = new SparseVector(20);
otherVector3.setElement(0, 123);
otherVector3.setElement(5, 11);
otherVector3.setElement(6, 20);
otherVector3.setElement(7, 7);
otherVector3.setElement(11, 2);
otherVector3.setElement(14, 3);
otherVector3.setElement(18, 4);
System.out.println("\n");
SparseVector otherVector4 = new SparseVector(10); // ein leerer other. Vektor mit Länge 10
System.out.println("der Wert des otherVector4 an der Position 0 ist: " + otherVector4.getElement(0)); // 0.0
System.out.println("der Wert des otherVector4 an der Position 5 ist: " + otherVector4.getElement(5)); // 0.0
System.out.println("der Wert des otherVector4 an der Position 7 ist: " + otherVector4.getElement(7));// 0.0
System.out.println("der Wert des otherVector4 an der Position 9 ist: " + otherVector4.getElement(9));// 0.0
System.out.println("die Länge des otherVector4 ist: " + otherVector4.getLength()); // 10
try {
System.out.println(otherVector4.getElement(99));
} catch (Exception e) {
System.out.println(e);
}
try {
System.out.println(otherVector4.getElement(-1));
} catch (Exception e) {
System.out.println(e);
}
System.out.println("\n");
SparseVector otherVector5 = new SparseVector(20); // ein leerer other. Vektor mit Länge 20
System.out.println("der Wert des otherVector5 an der Position 0 ist: " + otherVector5.getElement(0)); // 0.0
System.out.println("der Wert des otherVector5 an der Position 5 ist: " + otherVector5.getElement(5)); // 0.0
System.out.println("der Wert des otherVector5 an der Position 17 ist: " + otherVector5.getElement(17));// 0.0
System.out.println("der Wert des otherVector5 an der Position 19 ist: " + otherVector5.getElement(19));// 0.0
System.out.println("die Länge des otherVector5 ist: " + otherVector5.getLength()); // 20
try {
System.out.println(otherVector5.getElement(20));
} catch (Exception e) {
System.out.println(e);
}
try {
System.out.println(otherVector5.getElement(-1));
} catch (Exception e) {
System.out.println(e);
}
System.out.println("\n");
// Testen des this. Vektors --> testen Methoden wie getLength(), getElement(),
// setElement(), removeElement()
System.out.println("die Länge des controlVector ist: " + controlVector.getLength()); // 10
System.out.println("der Wert des controlVector an der Position 5 ist: " + controlVector.getElement(5)); // 123.213
System.out.println("der Wert des controlVector an der Position 0 ist: " + controlVector.getElement(0)); // 10.0
System.out.println("der Wert des controlVector an der Position 1 ist: " + controlVector.getElement(1)); // 0.0
try {
System.out.println(controlVector.getElement(99));
} catch (Exception e) {
System.out.println(e);
}
try {
System.out.println(controlVector.getElement(-1));
} catch (Exception e) {
System.out.println(e);
} }
System.out.println("\n");
// testen equal(), wenn die beiden Vektoren identisch sind → should be true, not
// anymore :)
System.out.println(controlVector.equals(otherVector1));
System.out.println("\n");
controlVector.removeElement(5);
System.out.println("der Wert des controlVector an der Position 5 ist: " + controlVector.getElement(5)); // 0.0
System.out.println("Die Länge nach remove ist: " + controlVector.getLength()); // 10
System.out.println("\n");
controlVector.removeElement(7);
System.out.println("der Wert des controlVector an der Position 7 ist: " + controlVector.getElement(7)); // 0.0
System.out.println("\n");
controlVector.setElement(5, 100);
System.out.println("der Wert des controlVector an der Position 5 ist: " + controlVector.getElement(5)); // 100.0
System.out.println("\n");
// testen equals(other) --> nicht identisch
System.out.println(controlVector.equals(otherVector1)); // should be false, weil der Wert an Index 5 zu 100 gesetzt
// wurde
System.out.println(controlVector.equals(otherVector2)); // should be false
System.out.println(controlVector.equals(otherVector3)); // should be false
System.out.println(controlVector.equals(otherVector4)); // should be false
System.out.println("\n");
otherVector1.setElement(5, 100);
System.out.println("der Wert des otherVector1 an der Position 5 ist: " + otherVector1.getElement(5)); // 100.0
System.out.println(otherVector1.equals(controlVector));// should be true, weil der Wert an Index 5 von this und
// other Vektor gleich 100
System.out.println("\n");
// testen add()
controlVector.add(otherVector1);
System.out.println("die Länge des controlVector ist: " + controlVector.getLength()); // 10
System.out.println("der Wert des controlVector an der Position 0 ist: " + controlVector.getElement(0)); // 10 + 10 =
// 20
System.out.println("der Wert des controlVector an der Position 5 ist: " + controlVector.getElement(5)); // 100 + 100
// = 200
System.out.println("der Wert des controlVector an der Position 6 ist: " + controlVector.getElement(6)); // 0.0
System.out.println("der Wert des controlVector an der Position 8 ist: " + controlVector.getElement(8)); // 65.01 +
// 65.01 =
// 130.02
System.out.println("der Wert des controlVector an der Position 9 ist: " + controlVector.getElement(9)); // 112.79 +
// 112.79 =
// 225.58
System.out.println("\n");
controlVector.add(otherVector2);
controlVector.setElement(3, 90.1);
System.out.println("der Wert des controlVector an der Position 0 ist: " + controlVector.getElement(0)); // 20
System.out.println("der Wert des controlVector an der Position 3 ist: " + controlVector.getElement(3)); // 90.1
System.out.println("\n");
controlVector.add(otherVector3);
System.out.println("der Wert des controlVector an der Position 0 ist: " + controlVector.getElement(0)); // 20
System.out.println("der Wert des controlVector an der Position 5 ist: " + controlVector.getElement(5)); // 200
System.out.println("der Wert des controlVector an der Position 9 ist: " + controlVector.getElement(9)); // 225.58
System.out.println("\n");
controlVector.add(otherVector4);
System.out.println("der Wert des controlVector an der Position 0 ist: " + controlVector.getElement(0));
System.out.println("der Wert des controlVector an der Position 5 ist: " + controlVector.getElement(5));
System.out.println("\n");
controlVector.removeElement(0);
System.out.println("der Wert des controlVector an der Position 0 ist: " + controlVector.getElement(0)); // 0.0
System.out.println("der Wert des controlVector an der Position 5 ist: " + controlVector.getElement(5)); // 200
System.out.println("\n");
controlVector.add(otherVector5);
System.out.println("der Wert des controlVector an der Position 0 ist: " + controlVector.getElement(0)); // 0.0
System.out.println("der Wert des controlVector an der Position 5 ist: " + controlVector.getElement(5)); // 200
System.out.println("\n");
}
} }

84
SparseVector.java
View File

@ -1,6 +1,13 @@
/**
* Sparse Implementierung einer verkettete Liste
*/
public class SparseVector { public class SparseVector {
//Paul:
/**
* [Beschreibung]
*
* @author Paul
*/
private class Node { private class Node {
int index; int index;
double value; double value;
@ -14,28 +21,46 @@ public class SparseVector {
} }
//Elif: Standard Konstruktor mit einem leeren Vektor initialisieren
// Elif: Standard Konstruktor mit einem leeren Vektor initialisieren
private Node head = null; private Node head = null;
private int length = 0; private int length = 0;
/**
* Konstruktor mit Vektor länge 0
*
* @author Elif
*/
public SparseVector() { public SparseVector() {
this.head = null; this.head = null;
this.length = 0; this.length = 0;
} }
//Elif: Konstruktor mit Vektor länge n
/**
* Konstruktor mit Vektor länge n
*
* @author Elif
* @param n Vektor länge
*/
public SparseVector(int n) { public SparseVector(int n) {
this.head = null; this.head = null;
this.length = n; this.length = n;
} }
//Elif: den value in index hinzufügen - Aktualiiseren des Wertes, wenn der head an dem Index mit einem Wert exisitiert - Neuer head mit neuem Wert hinzufügen, wenn der head an dem Index nicht existiert
/**
* den value in index hinzufügen - Aktualiiseren des Wertes, wenn der head an
* dem Index mit einem Wert exisitiert - Neuer head mit neuem Wert hinzufügen,
* wenn der head an dem Index nicht existiert
*
* @author Elif
* @param index [Beschreibung]
* @param value [Beschreibung]
*/
public void setElement(int index, double value) { public void setElement(int index, double value) {
removeElement(index); removeElement(index);
int maxIndex = this.getLength()-1;
int maxIndex = this.getLength() - 1;
if (index > maxIndex) { if (index > maxIndex) {
System.out.println("Fehler: Der Index " + index + " ist außerhalb des erlaubten Bereichs."); System.out.println("Fehler: Der Index " + index + " ist außerhalb des erlaubten Bereichs.");
return; return;
@ -65,7 +90,14 @@ public class SparseVector {
} }
//Paul: getElement: return the Wert value of that index input das Index, und return den entsprechenden Wert des Index
/**
* return the Wert value of that index input das Index, und return den
* entsprechenden Wert des Index
*
* @author Paul
* @param index [Beschreibung]
* @return double [Beschreibung]
*/
public double getElement(int index) { public double getElement(int index) {
if (index < 0 || index >= this.length) { // für Testfall wenn Länge < index if (index < 0 || index >= this.length) { // für Testfall wenn Länge < index
@ -82,11 +114,15 @@ public class SparseVector {
now = now.next; now = now.next;
} }
return 0.0; return 0.0;
} }
//Leonhard: entfernt Element nach Index
/**
* entfernt Element nach Index
*
* @author Leonhard
* @param index [Beschreibung]
*/
public void removeElement(int index) { public void removeElement(int index) {
// previous = pre // previous = pre
Node now = this.head; Node now = this.head;
@ -103,13 +139,19 @@ public class SparseVector {
} }
if (now != null && now.index == index) { if (now != null && now.index == index) {
pre.next = now.next; pre.next = now.next;
// System.out.println("index " + index + " found and the value " + now.value + " deleted.");
// System.out.println("index " + index + " found and the value " + now.value + "
// deleted.");
} else { } else {
// System.out.println("Element not found with index " + index); // System.out.println("Element not found with index " + index);
} }
} }
//Leonhard: Länge des Vektors ausgeben
/**
* Länge des Vektors ausgeben
*
* @author Leonhard
* @return int [Beschreibung]
*/
public int getLength() { public int getLength() {
int length = SparseVector.this.length; int length = SparseVector.this.length;
@ -118,10 +160,16 @@ public class SparseVector {
} }
//Terry: bool Methode equals: testen, ob other = this (nur vergleichen die Nicht-Null Elemente)
/**
* testen, ob other = this (nur vergleichen die Nicht-Null Elemente)
*
* @author Terry
* @param other [Beschreibung]
* @return boolean [Beschreibung]
*/
public boolean equals(SparseVector other) { public boolean equals(SparseVector other) {
if(this.getLength() != other.getLength()){
if (this.getLength() != other.getLength()) {
return false; return false;
@ -152,10 +200,14 @@ public class SparseVector {
return true; return true;
} }
// Terry: void add: to add two vectors together and renew (overwrite) the this.vector
/**
* to add two vectors together and renew (overwrite) the this.vector
*
* @author Terry
* @param other [Beschreibung]
*/
public void add(SparseVector other) { public void add(SparseVector other) {
Node thisnow = this.head; Node thisnow = this.head;
Node othernow = other.head; Node othernow = other.head;
Node thispre = null; Node thispre = null;

Write Preview
Loading…
Cancel
Save