Given abstract parent class Ball.java, write a concrete child class that implements any necessary methods. You can pick any specific Ball type you want (e.g. football, soccer ball, tennis ball, etc). You do not have to provide method body statements for the method(s).  public abstract class Ball {     public abstract void inflate();     public int bounce(int howHigh) {         // do bouncing stuff     } } 

Assume x = 5. What is the result of the following boolean expression? ! ( (x >=  0) || !(x < 0) )

Given the code, is Missing a checked or unchecked exception? Is Location a checked or unchecked exception? Missing: Location: class Missing extends Exception {     public Missing(String msg) {         super(msg);     } }  class Location extends RuntimeException {     public Location(String msg) {         super(msg);     } }

Match the following statements to the most correct response.

What is the output of the following code? int x = 10;int y = 5;if (x > y)    if (y < 0)        System.out.println("foo");else     System.out.println("bar");

What is the resulting value of the following expression: (float)((int)9.0/2)  

What is the resulting value of the following expression?   5 / 2 * 5 + 5.0 

In Java, what would the following boolean expression evaluate to?Assume that t has the value of true and f has the value of false. t || ((t || f) && (!t || f))

What makes the declared variable in the statement below a constant?  final long SAMPLE = 124; 

_____________ is the acquired inability to produce an immune response to self antigens (process of eliminating T and B cells that that are reactive to self).