96 lines
2.5 KiB
Java
96 lines
2.5 KiB
Java
package aula06;
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public class Vector {
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private int[] vector;
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// Constructors and main getter
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public Vector() {
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this.vector = new int[0];
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}
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public Vector(int size) {
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this.vector = new int[size];
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}
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public Vector(int[] vector) {
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this.vector = vector;
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}
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public int[] getVector() {
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return vector;
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}
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// Getters
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public int size() {
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return this.vector.length;
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}
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public boolean contains(int value) {
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for (int n : this.vector)
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if (n == value)
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return true;
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return false;
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}
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public int count(int value) {
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int count = 0;
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for (int n : this.vector)
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if (n == value)
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count++;
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return count;
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}
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// Method to change values
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public void insert(int value) {
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if (this.contains(value)) return;
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int[] aux = new int[this.size()+1];
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System.arraycopy(this.vector, 0, aux, 0, this.size());
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aux[this.size()] = value;
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this.vector = aux;
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}
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public void remove(int value) {
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int[] aux = new int[this.size()-this.count(value)];
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int i = 0;
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for (int n : this.vector) {
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if (n == value)
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continue;
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aux[i] = n;
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i++;
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}
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this.vector = aux;
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}
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public void empty() {
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this.vector = new int[0];
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}
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// Interact with other vectors
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public Vector add(Vector secondVector) {
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Vector result = new Vector();
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for (int n : this.vector)
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if (!result.contains(n))
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result.insert(n);
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for (int n : secondVector.vector)
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if (!result.contains(n))
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result.insert(n);
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return result;
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}
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public Vector subtract(Vector secondVector) {
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Vector result = new Vector();
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for (int n : this.vector)
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if (!result.contains(n) && !secondVector.contains(n))
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result.insert(n);
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return result;
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}
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public Vector intersect(Vector secondVector) {
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Vector result = new Vector();
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for (int n : this.vector)
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if (!result.contains(n) && secondVector.contains(n))
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result.insert(n);
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return result;
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}
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// ToString
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@Override
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public String toString() {
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StringBuilder result = new StringBuilder();
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for (int n : this.vector)
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result.append(String.format("%d ", n));
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return this.size() > 0 ? result.substring(0, result.length()-1) : result.toString();
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}
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}
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