stuck at formatting string/integer

I'm currently trying to run a program in which computes grades per weighted percentages.. I've gotten everything right all the way up til formatting the string to 2 decimal places. In the red towards the bottom is where im guessing im messing up.. also I know my code is a little choppy... so any help would be greatly appreciated!! thank you, tony

Code:

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import javax.swing.JOptionPane;

public class Assign3
{


        public static void main(String[] args)
        {

                String hw = JOptionPane.showInputDialog ("Enter homework weight percentage:");

                String midterm = JOptionPane.showInputDialog ("Enter midterm weight

percentage:");

                String finalex = JOptionPane.showInputDialog ("Enter final exam weight

percentage:");

                int p1 = Integer.parseInt(hw);
                int p2 = Integer.parseInt(midterm);
                int p3 = Integer.parseInt(finalex);
                int p4 = 10;
               
               
       
                String hws = JOptionPane.showInputDialog ("Enter homework score: (0-600

points)");
                String mts = JOptionPane.showInputDialog ("Enter midterm score (0-100 points):");
                String fs = JOptionPane.showInputDialog ("Enter final score (0-100 points):");
                String labs = JOptionPane.showInputDialog ("Enter lab participation score (0-100

points):");

               
                int x1 = Integer.parseInt(hws);
                int x11 = (x1 / 6);       
                int x2 = Integer.parseInt(mts);
                int x3 = Integer.parseInt(fs);
                int x4 = Integer.parseInt(labs);
               
                int output1 = (((p1*x11)+(p2*x2)+(p3*x3)+(p4*x4)) / 100);
               
                String output = Integer.toString(output1);

                output = String.format("%.2d", output);
               
                JOptionPane.showMessageDialog(null, output);
               

                System.out.println(output);

        }
}

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Try this. :)

Code:

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public class TestFormat {
    public static void main(String[] args) {
        int a = 1;
        float b = 2;
        double c = 3.4354365;
        long d = 43241;

        // use precision 2, minimum width 5
        System.out.println(String.format("%1$5d, %2$5.2f, %3$5.2f, %4$5d", a, b, c, d));
    }
}

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thank you for the input!! ill give that a shot!

Code:

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        1] int output1 = (((p1*x11)+(p2*x2)+(p3*x3)+(p4*x4)) / 100);
        2] String output = Integer.toString(output1);
        3] output = String.format("%.2d", output);
        4] JOptionPane.showMessageDialog(null, output);

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1] to get a decimal support for the division, you should not use int, indeed float for example
2] no need at all to convert the variable, the String.format can deal with float, double, int .. etc
3] the correct format string for float here should then be "%.2f", here the second parameter should be a float variable, the whole method could later be converted to string or whatever ur needs.
4] yes here the second paremter could be something like "Float.toString(output1)"