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Java Intro

100

What do you call this?

public class Main {

class header

200

What is this?

System.out.println();

Print statement

300

Difference between print() and println()

print() prints on the same line while println() prints on a new line

400

/* */ is used for?

Multi-line comments

500

What is the code for the main method?

public static void main(String[] args)

Java Variables

100

How many variables are there?

5

200

Which variable is used for words?

String

300

Int is for decimals. True or False.

False.

400

char uses what type of quotations? Single or Double

Single

500

Give an example of a float variable. Provide variable type, variable name, and variable value.

float num1 = 50.0f;

Math Functions

100

Math.max does what?

Takes the maximum of two numbers

200

Math.abs(-87) will be?

87

300

double sqrt = Math.sqrt(4) is equal to?

2

400

Math.random Provides a random number between?

(your answer should include "inclusive" & "exclusive")

0 (inclusive) to 1.0 (exclusive)

500

If I want to raise 7 to the power of 2, how would I do it using Math functions?

Math.pow(7,2);

Java Operators

100

&& is for?

and

200

OR is coded using?

||

300

++8 is?

9

400

10%3 is?

1

500

What will print if:

x=6;

boolean checkAns = !(x>3 || x<5);

System.out.print(checkAns);

False

Correct Code

100

Int age = 15;

int age = 15;

200

String myName = "Sabrina;

String myName = "Sabrina";

300

system.out.Println("hi");

System.out.println("hi");

400

char myLet = h;

char myLet = 'h';

500

Public class Subject{

public class Subject {