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1- Suppose, you just wrote (from scratch) a new Java SOURCE CODE for some program on your system. What do you (or your IDE, such

1- Suppose, you just wrote (from scratch) a new Java SOURCE CODE for some program on your system. What do you (or your IDE, such as Eclipse) need to RUN it?

Java compiler and Java Virtual Machine

Just Java compiler

Just Java Virtual Machine

Java Debugger

2- Which Java primitve data type will require the least amount of memory to store data in?

long

boolean

char

float

3-Which one would NOT be considered a LITERAL in Java?

true

null

Math.PI

0.0

4- Consider the following Java class (source code):

public class NumberOne { public static void main(String[] args){ System.out.println("Hello CS 116 Students!"); } }

If you wanted to save it on your hard drive for later compilation, what should (as in: it is not a hard requirement, but it helps avoid confusion) its full file name be?

NumberOne.java

NumberOne.class

NumberOne

numberone.java

5- In Java the following expression:

float x = 0.1f;

will ...

declare and initialize a variable

instantiate an object

only initialize the variable

only declare the variable

6-Consider the following Java class (source code):

public class NumberOne { public static void main(String[] args){ System.out.println("Hello CS 116 Students!"); } }

If you compile it (turn source code into so called byte code), what will be the full COMPILED file name ?

NumberOne.class

NumberOne.java

NumberOne

numberone.java

7-Consider the following Java class (source code):

public class SomeClass { public static void methodName(String[] args){ System.out.println("Test!"); } }

Assume that this class is the ONLY class in your Java project (there are no other source code / class files and you are not using any built-in Java classes). Will you be able to RUN / EXECUTE your project / program to display 'Test!' on screen? yes or no?

8- Java compiler, when analyzing your source code, will ...

find ONLY semantic errors (syntax errors will not be found)

find BOTH syntax and semantic errors

find ONLY syntax errors (semantic errors will not be found)

find NEITHER syntax nor semantic errors

9- When declaring a variable in Java, which Java keyword is used to indicate that this variable will be treated as a CONSTANT (i.e. its value can only be set ONCE)?

static

const

final

finally

10- Which Java primitve data type will require the largest amount of memory to store data in?

char

byte

float

boolean

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