Math Questions

1. What is the output of the following lines of code?
     int a = 6;
     int b = 7;
     int c = 3;
     System.out.println("1. " + (a+b));
     System.out.println("2. " + (b-c));
     System.out.println("3. " + (b%a));
     System.out.println("4. " + (b%c));
     System.out.println("5. " + (b%b));
     b++;
     System.out.println("6. " + b);
     a--;
     System.out.println("7. " + a);
 
2. Assume that the following operations have occurred:
        int a = 4;
        int b = 6;
        float c = 6.42;
        char d = ‘A’;
Output the following using variables whenever possible.
(a) Radius = 4
(b) Area = 6
(c) Area = 6.42
(d) ***A***
(e) --- 6 --- 4 ---
(f) @->->-
(g) 4  6
(h) 6.4
(i) 6.42  A  A
(j)
  **
 *  *
  **

3. Fill in the blanks:

public _____a____  _____b____
{
	___c_____ static void main (____d____ args [])
   {
   	new MathTest ();
   }

 	public ____e_____ ()
   {
   	int a = 6;
   	int b = 7;
   	____f__ c = a + b;
   	____g__.out.println (a + " + " + b + " = " + c);
   }
}

4. Find 5 errors in the following code:

public Hello
{
   public static main (String args [])
   {
   	new Hi ();
   }

 	public Hello ()
   {
   	System.out.printsln ("Hello")
   }
}