Which of the following statements is false?
a. Path method isAbsolute returns a boolean indicating whether a Path represents an absolute path to a file or directory.
b. Files static method getLastModifiedTime receives a Path and returns a FileTime (package java.nio.file.attribute) indicating when the file was last modified.
c. Files static method size receives a Path and returns a long representing the number of bytes in the file or directory. For directories, the value returned is platform specific.
d. All of the above are true.
d. All of the above are true.
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Analyze the following code and choose the best answer:
``` public class Foo { private int x; public static void main(String[] args) { Foo foo = new Foo(); System.out.println(foo.x); } } ``` a. Since x is private, it cannot be accessed from an object foo. b. Since x is defined in the class Foo, it can be accessed by any method inside the class without using an object. You can write the code to access x without creating an object such as foo in this code. c. Since x is an instance variable, it cannot be directly used inside a main method. However, it can be accessed through an object such as foo in this code. d. You cannot create a self-referenced object; that is, foo is created inside the class Foo.
Explain the difference between RAM and cache memory.
What will be an ideal response?