27 lines
698 B
Java
27 lines
698 B
Java
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package POB_2019.Java.zad1_2;
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public class Vector2D {
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private int x, y;
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public Vector2D(int _x, int _y){
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this.x=_x;
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this.y=_y;
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}
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public Vector2D add(Vector2D vec2){
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int newX, newY;
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newX=this.x + vec2.x;
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newY=this.y + vec2.y;
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return new Vector2D(newX, newY);
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}
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public Vector2D substract(Vector2D vec2){
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int newX, newY;
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newX=this.x - vec2.x;
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newY=this.y - vec2.y;
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return new Vector2D(newX, newY);
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}
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public double multiply(Vector2D vec2){
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return (this.x*vec2.x + this.y*vec2.y);
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}
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public String toString(){
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return String.format("[%s, %s]", this.x, this.y);
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}
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}
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