Java Basics

Question 1

Operators

Answer 1

special symbols that perform specific operations on , two or three operands and return a result

Question 2

Types of operators

Answer 2

assignment
arithmetic
unary
equality
relational
conditional

Question 3

Expressions

Answer 3

construct made up of variables operators and method invocations which are constructed according to the syntax of the language that evaluates to a single line

Question 4

Blocks

Answer 4

group of sero or more statements between balanced braces and can be used anywhere a single statement is allowed

Question 5

if then else vs switch

Answer 5

if then else tests expressions based on a range of valeus and expression while switch tests expresssions based only on a single integer enumerated value or String object

Question 6

Input

Answer 6

Any info needed by a program to complete execution

Question 7

Output

Answer 7

any info that the program must convey to the user

Question 8

Console input

Answer 8

any input entered into the console window