// Ian! D. Allen - idallen@idallen.ca - www.idallen.com
// FunnyMath0 - wrong answers from simple arithmetic

// Compile and run this program.  Look at the output.
// Explain why some of the outputs are incorrect.
// Do not change the declarations of the variables.

public class FunnyMath0 {
    public static void main(String[] args) {
        int i;          // do not change this declaration
        int j;          // do not change this declaration
        int k;          // do not change this declaration
        long ii;        // do not change this declaration
        long jj;        // do not change this declaration
        long kk;        // do not change this declaration
        float f;        // do not change this declaration
        float g;        // do not change this declaration
        float h;        // do not change this declaration
        double ff;      // do not change this declaration
        double gg;      // do not change this declaration
        double hh;      // do not change this declaration
        int add;        // do not change this declaration

        System.out.println("\n-------------------------------------------");
        System.out.println("Fun with integers\n");

        i = 1000000000;
        j =  200000000;
        k = i + j;

        System.out.println(i + " plus " + j + " is " + k);

        i = 2000000000;
        j =  200000000;
        k = i + j;

        System.out.println(i + " plus " + j + " is " + k);

        System.out.println("\n-------------------------------------------");
        System.out.println("Fun with long integers\n");

        ii = 7000000000000000000L;
        jj = 2000000000000000000L;
        kk = ii + jj;

        System.out.println(ii + " plus " + jj + " is " + kk);

        ii = 8000000000000000000L;
        jj = 2000000000000000000L;
        kk = ii + jj;

        System.out.println(ii + " plus " + jj + " is " + kk);

        System.out.println("\n-------------------------------------------");
        System.out.println("Fun with single-precision floating-point\n");

        add = 1;  // change this to change the amount added

        f = 10000000.0F;
        g = f + add;

        System.out.println(f + " plus " + add + " is " + g);

        f = 20000000.0F;
        g = f + add;

        System.out.println(f + " plus " + add + " is " + g);

        System.out.println("\n-------------------------------------------");
        System.out.println("Fun with double-precision floating-point\n");

        add = 1;  // change this to change the amount added

        ff = 1000000000000000.0;
        gg = ff + add;

        System.out.println(ff + " plus " + add + " is " + gg);

        ff = 10000000000000000.0;
        gg = ff + add;

        System.out.println(ff + " plus " + add + " is " + gg);

    }
}