Praktikum 2: neue Test, erster Versuch an moreThan
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@ -1,8 +1,10 @@
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package de.joethei.hs.java2.praktikum.praktikum1;
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import java.util.logging.Logger;
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public class GrosseZahl {
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private int Zahl[];
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private int zahl[];
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public GrosseZahl(String d) {
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Boolean korrekteEingabe=true;
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@ -12,9 +14,9 @@ public class GrosseZahl {
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}
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}
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if(korrekteEingabe) {
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Zahl = new int[d.length()];
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zahl = new int[d.length()];
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for(int w=0; w<d.length(); w++) {
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Zahl[w] = Integer.parseInt(String.valueOf(d.charAt(w)));
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zahl[w] = Integer.parseInt(String.valueOf(d.charAt(w)));
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}
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} else {
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System.out.println("Incorrect Input!");
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@ -25,22 +27,12 @@ public class GrosseZahl {
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this(Integer.toString(i));
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}
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@Override
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public String toString() {
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StringBuilder rueckgabe = new StringBuilder();
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for (int aZahl : Zahl) {
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rueckgabe.append(Integer.toString(aZahl));
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}
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return rueckgabe.toString();
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}
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public boolean less(GrosseZahl b) {
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if(this.Zahl.length < b.Zahl.length) return true;
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if(this.Zahl.length > b.Zahl.length) return false;
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//if(this.equals(b)) return false;
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for(int i=0; i<this.Zahl.length; i++) {
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if(this.Zahl[i] > b.Zahl[i]) return false;
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if(this.Zahl[i] < b.Zahl[i]) return true;
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if(this.zahl.length < b.zahl.length) return true;
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if(this.zahl.length > b.zahl.length) return false;
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for(int i = 0; i<this.zahl.length; i++) {
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if(this.zahl[i] > b.zahl[i]) return false;
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if(this.zahl[i] < b.zahl[i]) return true;
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}
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return false;
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}
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@ -55,14 +47,14 @@ public class GrosseZahl {
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rueckgabe = new GrosseZahl(this.toString());
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operand = new GrosseZahl(b.toString());
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}
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for(int i=(rueckgabe.Zahl.length-1), w=(operand.Zahl.length-1); i>=0; i--, w--) {
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rueckgabe.Zahl[i] += uebertrag;
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for(int i = (rueckgabe.zahl.length-1), w = (operand.zahl.length-1); i>=0; i--, w--) {
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rueckgabe.zahl[i] += uebertrag;
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uebertrag = 0;
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if(w>=0) {
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rueckgabe.Zahl[i] += operand.Zahl[w];
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rueckgabe.zahl[i] += operand.zahl[w];
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}
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if(rueckgabe.Zahl[i] > 9) {
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rueckgabe.Zahl[i] -= 10;
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if(rueckgabe.zahl[i] > 9) {
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rueckgabe.zahl[i] -= 10;
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uebertrag = 1;
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}
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if(i==0 && uebertrag==1) {
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@ -83,21 +75,21 @@ public class GrosseZahl {
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}
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GrosseZahl rueckgabe = new GrosseZahl(this.toString());
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GrosseZahl operand = new GrosseZahl(b.toString());
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for(int i=(rueckgabe.Zahl.length-1), w=(operand.Zahl.length-1); i>=0; i--, w--) {
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for(int i = (rueckgabe.zahl.length-1), w = (operand.zahl.length-1); i>=0; i--, w--) {
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if(w>=0) {
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rueckgabe.Zahl[i] -= operand.Zahl[w];
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rueckgabe.zahl[i] -= operand.zahl[w];
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}
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rueckgabe.Zahl[i] -= uebertrag;
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rueckgabe.zahl[i] -= uebertrag;
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uebertrag = 0;
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if(rueckgabe.Zahl[i] < 0) {
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rueckgabe.Zahl[i] += 10;
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if(rueckgabe.zahl[i] < 0) {
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rueckgabe.zahl[i] += 10;
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uebertrag += 1;
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}
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}
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while(rueckgabe.Zahl[0] == 0) {
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while(rueckgabe.zahl[0] == 0) {
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x = new StringBuilder();
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for(int i=1; i<rueckgabe.Zahl.length; i++) {
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x.append(rueckgabe.Zahl[i]);
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for(int i = 1; i<rueckgabe.zahl.length; i++) {
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x.append(rueckgabe.zahl[i]);
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}
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rueckgabe = new GrosseZahl(x.toString());
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}
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@ -114,28 +106,27 @@ public class GrosseZahl {
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operand2 = this;
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operand = b;
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}
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for(int i=0; i<operand.Zahl.length; i++) {
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for(int i = 0; i<operand.zahl.length; i++) {
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rueckgabe = new GrosseZahl(0);
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for(int w=0; w<operand.Zahl[i]; w++) {
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for(int w = 0; w<operand.zahl[i]; w++) {
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rueckgabe = rueckgabe.add(operand2);
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}
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rueckgabe_b = rueckgabe_b.add(rueckgabe);
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if(i != operand.Zahl.length-1) {
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if(i != operand.zahl.length-1) {
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rueckgabe_b = new GrosseZahl(rueckgabe_b.toString()+"0");
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}
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}
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return rueckgabe_b;
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}
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/*
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Boolean equals(GrosseZahl b) {
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if(this.Zahl.length < b.Zahl.length || this.Zahl.length > b.Zahl.length) return false;
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for(int i=0; i<this.Zahl.length; i++) {
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if(this.Zahl[i] != b.Zahl[i]) return false;
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}
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return true;
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private int length() {
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return zahl.length;
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}
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private int numberAt(int i) {
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return zahl[i];
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}
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*/
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public GrosseZahl ggT(GrosseZahl b) {
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GrosseZahl operand1 = new GrosseZahl(this.toString());
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@ -145,13 +136,22 @@ public class GrosseZahl {
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else return operand1.sub(operand2).ggT(operand2);
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}
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@Override
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public String toString() {
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StringBuilder rueckgabe = new StringBuilder();
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for (int aZahl : zahl) {
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rueckgabe.append(Integer.toString(aZahl));
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}
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return rueckgabe.toString();
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}
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@Override
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public boolean equals(Object o) {
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if(o instanceof GrosseZahl) {
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GrosseZahl tmp = (GrosseZahl) o;
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if(tmp.Zahl.length == this.Zahl.length) {
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for(int i = this.Zahl.length - 1; i >= 0; i--) {
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if(tmp.Zahl[i] != this.Zahl[i]) return false;
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if(tmp.zahl.length == this.zahl.length) {
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for(int i = this.zahl.length - 1; i >= 0; i--) {
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if(tmp.zahl[i] != this.zahl[i]) return false;
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}
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return true;
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}else return false;
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@ -1,25 +1,30 @@
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package de.joethei.hs.java2.praktikum.praktikum2;
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import com.sun.istack.internal.NotNull;
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import java.util.ArrayList;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Set;
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import java.util.logging.Logger;
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public class CharCollection {
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private Logger logger = Logger.getLogger(this.getClass().getName());
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public class CharCollection implements Cloneable{
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private ArrayList<Character> list = new ArrayList<>();
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private List<Character> list = new ArrayList<>();
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public CharCollection(char... cc) {
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public CharCollection(@NotNull char... cc) {
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for(char c:cc) this.list.add(c);
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}
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public CharCollection(String s) {
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public CharCollection(@NotNull String s) {
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for(char c : s.toCharArray()) {
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this.list.add(c);
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}
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}
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private CharCollection(List<Character> list) {
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this.list = list;
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}
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public int size() {
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return this.list.size();
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@ -70,6 +75,14 @@ public class CharCollection {
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return character;
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}
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public CharCollection moreThan(int n) {
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CharCollection result = new CharCollection(list);
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for (int i = 0; i < result.size(); i++) {
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if(result.count(result.list.get(i)) < n) result.list.remove(i);
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}
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return result;
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}
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@Override
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public String toString() {
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return list.toString().replace('[', '(').replace(']', ')');
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@ -79,9 +92,8 @@ public class CharCollection {
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public boolean equals(Object o) {
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if(o instanceof CharCollection) {
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CharCollection c = (CharCollection) o;
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return this.list.equals(c.list);
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return this.list.containsAll(c.list);
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}return false;
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}
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}
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@Test
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public void count() {
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assertEquals(2, new CharCollection("Hallo").count('l'));
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assertEquals(1, new CharCollection("Hallo").count('a'));
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}
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@Test
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@ -38,12 +39,18 @@ public class CharCollectionTest {
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assertEquals("(H, a, l, l, o, W, e, l, t)", new CharCollection("HalloWelt").toString());
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}
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/*
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@Test
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public void moreThan() {
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assertEquals(new CharCollection("ll"), new CharCollection("Hallo").moreThan(2));
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assertEquals(new CharCollection("lll"), new CharCollection("Hallol").moreThan(2));
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}
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@Test
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public void equals() {
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assertEquals(new CharCollection("llo"), new CharCollection("lol"));
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}
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/*
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@Test
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public void except() {
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assertEquals(new CharCollection("Hao"), new CharCollection("Hallo").except("l"));
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