reverse-in-array.java

public class Main{
    
    
    public static void reverse(int numbers[]){
        int first =0, last=numbers.length-1;
        
        while(first<last){
            
            //swaping 
            int temp =numbers[last];
            numbers[last]=numbers[first];
            numbers[first]=temp;
            
            first ++;
            last --;
        }
        
    }
    
    public static void main(String[]args){
        
        int numbers[]={1, 2, 3, 4, 5, 6};
        
        reverse(numbers);
        
        for(int i=0; i<=numbers.length; i++){
            
            System.out.print(numbers[i]+ " ");
           
        }
       
       System.out.println();  
       
    }
    
}