在Java中实现数组向量,可以使用以下方法:
以下是一个简单的Java向量实现示例:
public class Vector {
private int[] elements;
public Vector(int[] elements) {
this.elements = elements;
}
public Vector add(Vector other) {
int[] result = new int[elements.length];
for (int i = 0; i< elements.length; i++) {
result[i] = this.elements[i] + other.elements[i];
}
return new Vector(result);
}
public Vector subtract(Vector other) {
int[] result = new int[elements.length];
for (int i = 0; i< elements.length; i++) {
result[i] = this.elements[i] - other.elements[i];
}
return new Vector(result);
}
public int dotProduct(Vector other) {
int result = 0;
for (int i = 0; i< elements.length; i++) {
result += this.elements[i] * other.elements[i];
}
return result;
}
public Vector crossProduct(Vector other) {
int[] result = new int[3];
result[0] = this.elements[1] * other.elements[2] - this.elements[2] * other.elements[1];
result[1] = this.elements[2] * other.elements[0] - this.elements[0] * other.elements[2];
result[2] = this.elements[0] * other.elements[1] - this.elements[1] * other.elements[0];
return new Vector(result);
}
public int[] getElements() {
return elements;
}
public void setElements(int[] elements) {
this.elements = elements;
}
}
在这个示例中,我们创建了一个名为Vector
的类,它包含一个整数数组elements
作为其属性。我们实现了向量加法、减法、点积和叉积等方法,并使用这些方法来操作向量。
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