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Module 2 Chapter 2

Quiz ITP 120

QuestionAnswer
A Java program must have at least one of these: Class Definition
Character literals are enclosed in ________; string literals are enclosed in ________. single quotes; double quotes
Every Java application program must have: A method named main
Given the declaration double r;, which of the following statements is invalid? r = 2.9X106;
If the following Java statements are executed, what will be displayed? System.out.println("The top three winners are\n"); System.out.print("Jody, the Giant\n"); System.out.print("Buffy, the Barbarian"); System.out.println("Adelle, the Alligator"); The top three winners are Jody, the Giant Buffy, the BarbarianAdelle, the Alligator
If x has been declared an int, which of the following statements is invalid? x=1,000;
In Java, ________ must be declared before they can be used. Variables
In Java, it is standard practice to capitalize the first letter of: Class Names
In Java, a single line comment is marked at the beginning with: //
In the following Java statement what exactly is being placed by compiler into a variable name? String name = "John Doe"; The memory address where "John Doe" is located
The primitive data types allow one ________ to hold only a single value. Variable
The boolean data type may contain values in the following range of values: true or false
This is a variable whose content is read only and cannot be changed during the program's execution. named constant
To display the output on the next line, you can use the println method or use this escape sequence in the print method. \n
To print "Hello, world" on the monitor, use the following Java statement: System.out.println("Hello, world");
Variables are classified according to their: data type
Variables of the boolean data type are useful for: evaluating true/false conditions
What is the result of the following expression? 10 + 5 x 3 -20 5
What is the result of the following expression? 25/4 + 4 x 10 % 3 7
What is the result of the following expression? 17 % 3 x 2 -12 + 15
Created by: KhalidG24
 

 



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