Consider the following class: public class Player implements Comparable { private String name; private int goalsScored; // other methods go here public int compareTo(Object otherObject) { __________________________________ return (goalsScored – otherPlayer.goalsScored); } } What statement can be used to complete the compareTo() method?

____ methods must be implemented when using an interface.

____ are generated when the user presses a key, clicks a button, or selects a menu item.

Consider the following class: public class Player implements Comparable { private String name; private int goalsScored; // other methods go here public int compareTo(Object otherObject) { __________________________________ return (goalsScored – otherPlayer.goalsScored); } } What statement can be used to complete the compareTo() method?

Consider the following declarations: public interface Encryptable { void encrypt(String key); } public class SecretText implements Encryptable { private String text; _____________________________ { // code to encrypt the text using encryption key goes here } } Which of the following method headers should be used to complete the SecretText class?

____ methods must be implemented when using an interface.

Complete the following code snippet with the correct enhanced for loop so it iterates over the array without using an index variable.       String[] arr = { “abc”, “def”, “ghi”, “jkl” };   ___________________   {      System.out.print(str);     }  

Which of the following statements about a Java interface is NOT true?

Why are intracellular phosphate levels high? (Select all that apply.)

If pH of the blood decreased, the respiratory system would