Which class contains the method for checking whether a file exists?
a. File
b. PrintWriter
c. Scanner
d. System
a
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What remote connection option would you select to by-pass firewall restraints?
What will be an ideal response?
To close a file but leave the application open, use the HOME tab to select the Close option.
Answer the following statement true (T) or false (F)
Answer the following statements true (T) or false (F)
1. You can only use array indexed variables as arguments to methods. 2. A method can not change the values stored in the indexed variables of an array argument. 3. A collection class is a class whose objects store a collection of values. 4. You may cycle through elements of a collection object using a for loop. 5. In a vararg specification the ellipsis is not part of the Java syntax.
Answer the following statements true (T) or false (F)
1. Patterns are so general they need not make assumptions about the application to which it is being applied. 2. Patterns can help organize the presentation and understanding of ideas about software. 3. The Adaptor pattern transforms a class by layering a new interface over the class. 4. The Adaptor pattern changes the class it modifies when it layers a new interface over the class. 5. UML has annotations for inheritance and data flow.