On Flickr, a collection of photographs of a given type or topic is a photostream
Indicate whether the statement is true or false
FALSE
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The merge sort algorithm:
a. Can be used only on vectors of even length. b. Works by reducing vectors down to the base case of a two-element vector. c. Works by merging two sorted vectors into one larger sorted vector. d. Cannot be implemented recursively.
Which of the following classes enable input and output of entire objects to or from a file?
A. SerializedInputStream B. SerializedOutputStream C. ObjectInputStream D. ObjectOutputStream E. Scanner F. Formatter a. A and B. b. C and D. c. C, D, E, F. d. E and F.
Answer the following statements true (T) or false (F)
1. Java source code that contains a class with an inner class, when compiled, will produce a separate .class file for the inner class. 2. An ArrayList object has a fixed size. 3. You can use any primitive type as the base type of an ArrayList class. 4. ArrayList objects do not have the array square-bracket notation.
What is y displayed?
``` public class Test { public static void main(String[] args) { int x = 1; int y = x + x++; System.out.println("y is " + y); } } ``` a. y is 1. b. y is 2. c. y is 3. d. y is 4.