Fill in the blanks:(a)Every Java program must have at least one .(b)The Java program is executed from method.(c) To be able to perform console input, you need a statement: java. util. ; 2. The extension name of a Java source code file is(a).java(b).obj(c).class .(d).exe

Explain briefly why you cannot expect to find a previous version of every file with which you work.

Which of the following is true of operations within a spreadsheet program’s built-in functions? a. operations within parentheses, then multiplication and division, and then addition and subtraction are computed. b. operations within parentheses, then addition and subtraction, and then multiplication and division are computed. c. multiplication and division, then addition and subtraction, and then operations within parentheses are computed. d. addition and subtraction, then multiplication and division, and then operations within parentheses are computed

Scanning the road can be thought of as a