vectores java

public class Main {
public static void main(String args[]) { // deber1double[] a; double[] e; double[]o= new double[3]; double escalar;double angulo;double mod;double mod1;a = new double[3];e = new double[3];a[0]=3; a[1]=6; a[2]=9;e[0]=2; e[1]=4; e[2]=6;
//SUMA
System.out.print("La suma es=> ");for(int i = 0; i < i =" 0;" es=""> ");
for(int i=0; i<3; i="0;" escalarescalar="0;for(int" i=" 0;" es=""> " +escalar);
//UNITARIOSystem.out.print("\nUNITARIOS");
System.out.print("\nEl unitario de a es=> ");for(int i=0; i<3; i="0;" es=""> ");for(int i=0; i<3; i="0;" mod =" Math.sqrt(Math.pow(a[0]," mod1 =" Math.sqrt(Math.pow(e[0]," angulo =" Math.acos(escalar/(mod*mod1));System.out.println(" es=""> "+angulo);
}}