Java Question 6 Invoking _____ returns the first element in an ArrayList x. Ques

Question

Java

Question 6

Invoking _____ returns the first element in an ArrayList x.

Question 7

The maximum number of radio buttons that can be selected within a ButtonGroup is

Question 8

Analyze the following code.
public class Test {
      int x;

      public Test(String t) {
            System.out.println("Test");
      }
      public static void main(String[ ] args) {
            Test test = null;
            System.out.println(test.x);
      }
}

Question 9

Which statement creates an ArrayList that holds the class type Employee?

Question 10

A string with delimiters can be parsed into separate fields using the _____ class.

Explanation / Answer

Question 6

invoking x.get(0) returns the first element in an ArrayList x

Question 7

The maximum number of radio buttons that can be selected within a ButtonGroup is seven

Question 8

The program has a runtime NullPointerException because test is null while executing test.x.

Question 9

new ArrayList<Employee>().

Question 10

StringTokenizer

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