Array question

[McChill]

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package testing;

/**
 *
 * @author Sterling
 */
public class TypeConversion {

    private double array[] = new double[3];
    private double sum;
    private double divisor = 4;
    private double average;
       
    array[0] = 4;
    array[1] = 3;
    array[2] = 15;
    array[3] = 8;
    
    sum = array[0]+array[1]+array[2]+array[3];
    average = sum/4;
    
    System.out.println(average);
    
    
    

    
    

    

}

Netbeans has 20 errors listed. When I compiled it listed this...

init:
deps-jar:
Created dir: C:\Users\Sterling\Documents\NetBeansProjects\Testing\build\classes
Compiling 1 source file to C:\Users\Sterling\Documents\NetBeansProjects\Testing\build\classes
C:\Users\Sterling\Documents\NetBeansProjects\Testing\src\testing\TypeConversion.java:19: ']' expected
    array[0] = 4;
C:\Users\Sterling\Documents\NetBeansProjects\Testing\src\testing\TypeConversion.java:19: ';' expected
    array[0] = 4;
C:\Users\Sterling\Documents\NetBeansProjects\Testing\src\testing\TypeConversion.java:19: illegal start of type
    array[0] = 4;
C:\Users\Sterling\Documents\NetBeansProjects\Testing\src\testing\TypeConversion.java:19: <identifier> expected
    array[0] = 4;
C:\Users\Sterling\Documents\NetBeansProjects\Testing\src\testing\TypeConversion.java:20: ']' expected
    array[1] = 3;
C:\Users\Sterling\Documents\NetBeansProjects\Testing\src\testing\TypeConversion.java:20: ';' expected
    array[1] = 3;
C:\Users\Sterling\Documents\NetBeansProjects\Testing\src\testing\TypeConversion.java:20: illegal start of type
    array[1] = 3;
C:\Users\Sterling\Documents\NetBeansProjects\Testing\src\testing\TypeConversion.java:20: <identifier> expected
    array[1] = 3;
C:\Users\Sterling\Documents\NetBeansProjects\Testing\src\testing\TypeConversion.java:21: ']' expected
    array[2] = 15;
C:\Users\Sterling\Documents\NetBeansProjects\Testing\src\testing\TypeConversion.java:21: ';' expected
    array[2] = 15;
C:\Users\Sterling\Documents\NetBeansProjects\Testing\src\testing\TypeConversion.java:21: illegal start of type
    array[2] = 15;
C:\Users\Sterling\Documents\NetBeansProjects\Testing\src\testing\TypeConversion.java:21: <identifier> expected
    array[2] = 15;
C:\Users\Sterling\Documents\NetBeansProjects\Testing\src\testing\TypeConversion.java:22: ']' expected
    array[3] = 8;
C:\Users\Sterling\Documents\NetBeansProjects\Testing\src\testing\TypeConversion.java:22: ';' expected
    array[3] = 8;
C:\Users\Sterling\Documents\NetBeansProjects\Testing\src\testing\TypeConversion.java:22: illegal start of type
    array[3] = 8;
C:\Users\Sterling\Documents\NetBeansProjects\Testing\src\testing\TypeConversion.java:22: <identifier> expected
    array[3] = 8;
C:\Users\Sterling\Documents\NetBeansProjects\Testing\src\testing\TypeConversion.java:24: <identifier> expected
    sum = array[0]+array[1]+array[2]+array[3];
C:\Users\Sterling\Documents\NetBeansProjects\Testing\src\testing\TypeConversion.java:25: <identifier> expected
    average = sum/4;
C:\Users\Sterling\Documents\NetBeansProjects\Testing\src\testing\TypeConversion.java:27: <identifier> expected
    System.out.println(average);
C:\Users\Sterling\Documents\NetBeansProjects\Testing\src\testing\TypeConversion.java:27: <identifier> expected
    System.out.println(average);
20 errors
BUILD FAILED (total time: 0 seconds)

The program looks right to me...I don't get what the compiler is trying to tell me.

[CJSLMAN]

Your problem is the following:
You created an array of 3 elements (0,1,2):

private double array[] = new double[3];

But you're trying to put 4 elements into it. Make the array of 4 elements and at least that problem will go away.

Luck,
CJSL

[emceenugget]

other than when defining a variable, you can't change one's value outside of a method.

[annoyingzhang]

I think it's just too many elements.

[Eranga]

Another mistake here is, you don't have place all of them in a method. Defining all of them globally. You cannot do this anyway.

[CJSLMAN]

Very good catch Eranga... yeah... either you stuff all the calculations in a method (and call that method from another class) or you place in a main method (stand alone class).

Luck,
CJSL