error Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 4

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Javascript

Java

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JavaSE6

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hello to everybody, please somebody can tell me what is wrong with this, i need a program that return the bigger and the smaller number of a array

Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 4

import java.util.*;
public class MNyMY
{
    
    public static void main(String[] args) 
    {   
    	Scanner teclado= new Scanner (System.in);
        int n=0,i=0,y=0,x=0;       
    
        System.out.println("ingrese el valor de el vector");
    	
    	n=teclado.nextInt();
    	
    	int[ ]suma=new int[n];
    	
    	
    	
    	
    	for(i=0;i<=suma.length-1;i=i+1)
    	{
           System.out.println("ingrese el valor de un numero");
          suma[i]=teclado.nextInt();
            
    	}   	
    		if (suma[i]>x);
         {
         	x=suma[i];
         }
         
         
         if (suma[i]<y);>
         {
         	y=suma[i];
         }    		
    	 
    		
    	 System.out.println("este es el menor valor dentro del vector"+y);
         System.out.println("este es el mayor valor dentro del vector"+x);
     
    }
}