Array Index Out of Bounds Exception

2012-09-17  Source: Original Site  Category:Java  Views:1 

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Well, here i m trying store the some vertices(4) in an array. and trying to read them. But i m getting an error of "Array Index out of Bounds Exception.
I know the error is in the line i have highlighted(red). And i have tried various methods. But not working.

public void readInput()
{
Scanner input = null;
try
{
input = new Scanner(new FileInputStream("Test1.txt"));
int vertex = input.nextInt();
System.out.println("printing # of vertex "+vertex);
String[] array = new String[vertex];
System.out.println("array size "+ array.length);

// reading vertex from file and storing them in the array
for(int i=0;i<=array.length;i++)
{
array[i]=input.nextLine();
System.out.println("vertex "+array[i]);
}

the error that i get is

returned from absgraph
printing # of vertex 4
array size 4
vertex
vertex a
vertex b
vertex c
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 4
at AbsGraph.readInput(AbsGraph.java:80)
at DriverProgram.main(DriverProgram.java:12)

----jGRASP wedge2: exit code for process is 1.

what fuction should i use?

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