Java 1 final study practice test
The program runs fine and displays It is even!
Analyze the following code: boolean even = false; if (even = true) { System.out.println("It is even!"); }
applets
Java ________ can run from a Web browser.
Java bytecode
Java compiler translates Java source code into ________.
Sun Microsystems
Java was developed by ________.
0
25 % 1 is ________.
10
How many times will the following code print "Welcome to Java"? int count = 0; while (count < 10) { System.out.println("Welcome to Java"); count++; }
a logic error
If a program compiles fine, but it produces incorrect result, then the program suffers ________.
3
Suppose x is 1. What is x after x += 2?
c
Suppose x is a char variable with a value 'b'. What is the printout of the statement System.out.println(++x)?
Test.java
Suppose you define a Java class as follows: public class Test { } In order to compile this program, the source code should be stored in a file named
Java 123
The expression "Java " + 1 + 2 + 3 evaluates to ________.
true
What is 1 + 1 + 1 + 1 + 1 == 5?
5
What is i printed in the following code? public class Test { public static void main(String[ ] args) { int j = 0; int i = j++ + j * 5; System.out.println("What is i? " + i); } }
11
What is the result of 45 / 4?
x is 2.
What is x after the following statements? int x = 1; x *= x + 1;
java ByteCode
Which JDK command is correct to run a Java application in ByteCode.class?
if (radius > 0) System.out.println(radius * radius * 3.14159);
Which of the following code displays the area of a circle if the radius is positive?
37 % 6
Which of the following expression results in a value 1?
Every statement in a program must end with a semicolon.
Which of the following statements is correct?
Java API
________ contains predefined classes and interfaces for developing Java programs.
Java virtual machine
________ is a software that interprets Java bytecode.
Windows XP
________ is an operating system.
CPU
________ is the brain of a computer.
Java
________is Architecture-Neutral.
Java language specification
________is a technical definition of the language that includes the syntax and semantics of the Java programming language.
Java
________is interpreted.
Java IDE
________provides an integrated development environment (IDE) for rapidly developing Java programs. Editing, compiling, building, debugging, and online help are integrated in one graphical user interface.