java basics
Authored by Christian Dräger
Computers, Special Education
KG - 1st Grade
Used 19+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a correct syntax to output "Hello World" in Java?
echo("Hello World");
System.out.println("Hello World");
print("Hello World");
console.log("Hello World");
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Java is short for "JavaScript".
True
False
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you insert COMMENTS in Java code?
/* This is a comment
# This is a comment
// This is a comment
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which data type is used to create a variable that should store text?
String
myString
string
char
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you create a variable with the numeric value 5?
num x = 5
float x = 5;
x = 5;
int x = 5;
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you create a variable with the floating number 2.8?
byte x = 2.8f
x = 2.8f;
float x = 2.8f;
int x = 2.8f;
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which method can be used to find the length of a string?
len()
getSize()
length()
getLength()
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