A good answer might be:

Did you get the conditional exactly correct?

Filling in the Formula

The program so far: 

import java.io.*;
// User picks ending value for time, t.
// The program calculates and prints the distance the brick has fallen for each t.
//
class fallingBrick
{
  public static void main (String[] args ) throws IOException
  {
    final double G = 9.80665;   // constant of gravitational acceleration
    int    t, limit;            // time in seconds, and ending value of time
    double distance;            // the distance the brick has fallen

    BufferedReader userin = new BufferedReader (new InputStreamReader(System.in));
    String inputData;

    System.out.println( "Enter limit value:" );
    inputData = userin.readLine();
    limit     = Integer.parseInt( inputData );

    // Print a table heading
    System.out.println( "seconds\tDistance"  );
    System.out.println( "-------\t--------"  );

    t  =  0 ;
    while (  t <= limit )    
    {

      __________________

      __________________

      t = t + 1 ;
    }


  }
}

This program will give t the successive values, 0, 1, 2, ..., limit, and (limit+1). But the "gatekeeper" for the loop, the conditional, will not allow execution back into the loop body when t is (limit+1)

The formula is calculated each iteration: 

distance = (1/2)*G*t2

Translate the formula into a Java statement to fill the first blank. Watch out: there are two traps!

QUESTION 14:

Fill in the two blanks. Use a tab character in the output statement.