Chapter 2 Quiz

#1:

Suppose you have the following Java code:

public class Hello {
    public static void main(String[] args) {
        System.out.println("hello world");
    }
}
What should be the name of the file?

#2:

What do all statements end with in Java?

#3:

Where is the entry point for a Java program?.

#4:

What is the program exit code for a successful execution?

#5:

Does code inside a comment get executed?

Yes
No

#6:

How do you start a single-line comment in java?

#
--
//
/

#7:

What type of comment is this an example of?

/*
 * This is a comment
 */
Single-line comment
Multi-line comment
Javadoc comment
TODO comment

#8:

What will the output of this main method be?

public static void main(String[] args) {
    // System.out.println("hello world");
}
No output
hello world
The program will crash

#9:

Which of the following is not one of the most common types of whitespace?

newlines
carriage returns
spaces
tabs

#10:

What is the output of this code?

public static void main(String[] args) {
    System.out.print("hello");
    System.out.print("world");
}

hello world
helloworld
hello
world
world

#11:

Would this statement compile?

System.out.println("
    hello
    world
");
Yes
No

#12:

Would this statement compile?

system.out.printline("hello world");
Yes
No

#13:

Can a program with compilation errors execute?

Yes
No

#14:

Can a program with a logic-error execute?

Yes
No

#15:

Which line of source code did this compilation error occur on?

C:\Code\sandbox\src\Main.java:5:19
java: cannot find symbol
  symbol:   method printLine(java.lang.String)
  location: variable out of type java.io.PrintStream