Suppose A has a public no-arg constructor. To create an anonymous object from a class A, it is better to use __________.
a. new A
b. A
c. new A()
d. A()
Key:d
Key:d
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Using ______________ help immediately displays a relevant help article.
What will be an ideal response?
Write the statements needed to read a record from the file "trans.txt". The record is an object of class TransactionRecord—use Scanner variable inTransaction. Assume that class TransactionRecord contains method setAccount (which takes an int) to set the account number and method setAmount (which takes a double) to set the amount of the transaction.
What will be an ideal response?
One way to edit text is to place the insertion point where text will be inserted
Indicate whether the statement is true or false.
A program can direct a computer to take alternative actions based on the results of ____ comparisons.
A. arithmetic B. grouping C. logical D. sorting