Consider the following declarations: public interface Encryp…

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?

What is the value of the count variable after the execution…

What is the value of the count variable after the execution of the given code snippet?       ArrayList num = new ArrayList();   num.add(1);   num.add(2);   num.add(1);   int count = 0;   for (int i = 0; i < num.size(); i++)   {      if (num.get(i) % 2 == 0)      {         count++;      }     }  

Complete the following code snippet with the correct enhance…

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);     }  

One of the many negative effects of smoking on the lungs is…

One of the many negative effects of smoking on the lungs is that the heat and chemicals in cigarette smoke cause damage to alveoli, resulting in the accumulation of scar tissue. What would be the effect of this on lung function? OR Diabetics sometime suffer from severe ketoacidosis, which results in lowered pH of the blood. One effect of diabetic ketoacidosis is a form of hyperventilation called Kussmaul breathing. Why would ketoacidosis cause hyperventilation?