Examples for Trace1.txt

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// Example 1.
public class Main
{
    public static void main(String[] args)
    {
        int x = 5, y = 3, z;

        z = x + 2 * y;
        y = 5 * (x - 1);
        x += 3;
        System.out.println(x + " " + y + " " + z);
    }
}

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// Example 2.
public class Main
{
    public static void main(String[] args)
    {
        int x = 2, y = 3;

        y = x + 2 * y;
        x += 5;
        System.out.println(x + " " + y);
        x = 3 * x + y;
        System.out.println(x);
        x /= 2;
        System.out.print((x + y) % 2);
        x++;
        y++;
        System.out.println(" " + (x + y));
    }
}

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// Example 3.
public class Main
{
    public static void main(String[] args)
    {
        int x = 2, y = 3, z = 7;

        z += (x + 2 * y);
        x *= y;
        y = x + z - 1;
        x--;
        y--;
        System.out.print(x + " " + y + " " + z + " ");

        x = 2 * z + y;
        y = 2 * x + z;
        z = 2 * y + x;
       System.out.print(x + " " + y + " ");

        y = 3 * x - 2;
        z -= 5;
        System.out.print(z + " ");
    }
}


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// Example 4.
public class Main
{
    public static void main(String[] args)
    {
        int x = 1, y = 2;
        boolean f, g;

        f = (x == 1) && (y == 3);
        g = (x + y <= 0) || (x != y);
        System.out.println(f + " " + g);
    }
}

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// Example 5.
public class Main
{
    public static void main(String[] args)
    {
        int x = 1, y = 2, z = 5;
        boolean f, g;

        z += (x + y);
        f = (x + y + z > 5) && (y * z > 15);
        g = (true || (5 == 5)) && (x + z > 3 * y);
        System.out.println(f && !g);
    }
}

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// Example 6.
public class Main
{
    public static void main(String[] args)
    {
        int x = 2, y = 3;
        boolean f;

        x *= 2;
        y *= 3;
        f = (x > 5) || !(y > 5);
        System.out.print(f + " " + x + " " + y + " ");

        x = 3 * x + 4 * y - 2;
        y += (4 * x + 1);
        x++;
        y--;
        System.out.println(f + " " + x + " " + y + " ");
    }
}

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// Example 7.
public class Main
{
    public static void main(String[] args)
    {
        // Long declaration and initialization of w.
        String x = new String("apple");

        // Short declaration and initialization.
        String y = "peach", z = "orange";
        
        // Declaration only.
        String w;

        w = z + "$$$" + y + "*" + x;
        System.out.println("Output = " + w);
    }
}

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// Example 8.
public class Main
{
    public static void main(String[] args)
    {
        String x = "st", y = "iv", z = "qw";

        x += z;
        y += x;
        System.out.print(z + x + y);

        x += "@";
        y += "&";
        z += "?";
        System.out.println(y + z + x);
    }
}

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