Java Refresher

Which of these statements would print the line "Hello World" to standard output?

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

Which of these is NOT an acceptable variable name?

• fourWheels
• _fourWheels
• 4wheels
• $wheels

Which of these is the correct way to declare a variable age and make it equal to 18?

• int age = 18;
• int age = 18
• Integer age = 18;
• age = 18;

Which variable type would you use if you want to use decimals?

• char
• int
• double
• String

Which of these is the correct way to declare a variable hello and make it equal to "Hello World"?

• char hello = "Hello World";
• String hello = "Hello World";
• String hello = Hello World;
• char[] hello = "Hello World";

What is the output of the following java program? 

• 7 35
• Error
• 35 7

Which of these variable types is NOT primitive?

• int
• char
• boolean
• String

What is the output of the following program?

• [126, 167, 95]
• [252, 334, 190]
• [0, 0, 0]
• Error

Which is NOT a comparitive operator?

• !
• >
• <
• ==

Which is NOT a logical operator?

• &&
• ||
• !
• ?