Q2: Order of operations and math data types

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Q2: Order of operations and math data types 

Use the Java IDE to create and run the following program:

// Java program by [Student name] [Today's date]

public class MathExample {

       public static void main(String[] args) {

              System.out.println(3/2+3);

              System.out.println(0.5*3+4/2);

              System.out.println(0.5*2/3+10/2);

       }

}             


Please answer the following questions. 

  1. What type of literal is 3: double or Integer?
  2. What type of literal is 0.5: double or integer?
  3. For the first expression, why is first value printed 4 instead of 4.5?
  4. For the second expression, which math operation is done last?
  5. Use parentheses to change the third expression so (3+10) is calculated first. Paste the revised expression here:

Please give a full explanation of the program. Please keep in mind that I am a beginner and please keep it simple. 

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