I'm getting these 2 errors and haven't got a clue whats causing them please

java 43: illegal start of type
for (i=0;i< Number_of_squar es; i++)

java 215 identifier expected
}


heres the whole code
Code:
import java.util.*;

public class areaCalculation3
{
	// Set-up data input 

	Scanner data_input = new Scanner(System.in);
...