import java.util.Arrays;
public class Main {
public static void reverse
(Object [] a
){ for(int i = 0; i < a.length / 2; i++){
Object temp
= a
[i
]; // swap using temporary storage a[i] = a[a.length - i - 1];
a[a.length - i - 1] = temp;
}
}
public static void main
(String[] args
) { String [] a
= new String[]{"first",
"second",
"third",
"fourth"};
reverse(a);
reverse(b);
}
}
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