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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);     }  

To associate an event listener with a JButton component, you must use the ___ method of the JButton class.

Suppose you are writing an interface called Resizable, which includes one void method called resize.   public interface Resizable { _________________________ } Which of the following can be used to complete the interface declaration correctly?

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

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?

Which code snippet finds the largest value in an array that is only partially full?

What is displayed after executing the given code snippet?     int[] mymarks = new int[10];   int total = 0;   Scanner in = new Scanner(System.in);   for (int cnt = 1; cnt

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++;      }     }  

To associate an event listener with a JButton component, you must use the ___ method of the JButton class.

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);     }