exception showing in java code......at statement----- if(a[j]>a[j+1])..... please help please help

Question

package arrays;
import java.util.Scanner;

public class array {
public static void main(String[] args){
int n;
System.out.println("enter n");
Scanner myvar=new Scanner(System.in);
n=myvar.nextInt();
int arr[]= new int[n];

for(int i=0;i<arr.length;i++)
arr[i]=myvar.nextInt();
System.out.println("\n your array is ...");
for(int t:arr)
System.out.println("\n "+t);

System.out.println(arr[1+1]);
for(int i=0;i<(arr.length)-1;i++)
{for(int j=0;j<arr.length;j++)
{ if(arr[j]>arr[j+1])
{ arr[j]=arr[j]+arr[j+1];
arr[j+1]=arr[j]-arr[j+1];
arr[j]=arr[j]-arr[j+1];
}
}
}
System.out.println("\n your sorted array is ...");
for(int t:arr)
System.out.println("\n "+t);

}

}

Answer 1

You are not checking array boundaries.
If the array is 10 elements you try accessing arr[10]

Answer 2

I didn't get your point

Answer 3

I got your point

Answer 4

Thanks a lot sir......

Answer 5

You are welcome!