Java Tutorial 7 --- "Data Type of Expressions & Increment/Decrement Operators"

package com.company;

public class Tut7 {
    public static void main(String[] args) {
//       Data Type of Expressions & Increment/Decrement Operators
        /*
        b+s = int               |   b = byte
        s+i = int               |   s = short
        l+f = float             |   i = integer
        i+f = float             |   l = long
        c+i = int               |   f = float
        c+s = int               |   d = double
        l+d = double            |   c = character
        f+d = double            |
         */
//        int i = 45 + 5;
//        System.out.println(i);
//        float f = 6.5f + 2;
//        System.out.println(f);
//        Increment & Decrement Operators
        int i = 50;
        System.out.println(i++); //First use i then increment
        System.out.println(i);
        System.out.println(++i); // First increment i then use
        System.out.println(i);
//Quick Quiz: What Will be the value of the following expression (x):
//int y =7 ; int x = ++y*8
        int y = 7;
        int x = ++y*8;
        System.out.println(x);
//        For characters in JAVA
        char ch = 'a';
        System.out.println(++ch);
    }
}