JAVA QUIZ

What is a correct syntax to output "Hello World" in Java?

• System.out.println("Hello World");  

• print ("Hello World");

• echo("Hello World");

• Console.WriteLine("Hello World");

Java is short for "JavaScript".

• False  

• true

How do you insert COMMENTS in Java code?

• 
  // This is a comment  

• /* This is a comment

• # This is a comment

Which data type is used to create a variable that should store text?

• String  

• Txt

• myString

• string  

Which method can be used to find the length of a string?

• len()  

• getLength()

• getSize()

• length()  

Which method can be used to return a string in upper case letters?

• toUpperCase()  

• tuc()

• upperCase()

• touppercase()

What is the correct way to create an object called myObj of MyClass?

• new myObj = MyClass();

• class myObj = new MyClass();

• class MyClass = new myObj();

• MyClass myObj = new MyClass();  

Which statement is used to stop a loop?

• return

• exit

• stop

• break

Number of primitive data types in Java are?

• 6

• 7

• 8

• 9

Automatic type conversion is possible in which of the possible cases?

• byte to int

• int to long

• long to int

• short to int