Variables.java

package com.beyzakaynar.javalearning;

public class Variables {

 public static void main(String[] args) {

 //Integer = int
 //Double - Float
 //String
 //boolean

 int x = 5;
 int y = 4;
 int age = 19;

 int result = age*4/3;

 System.out.println(result);

 //////////////////////////

 final double pi = 3.14;
 //final deðiþkenimizi sabit yaptý

 double r = 5.0;

 System.out.println(2*pi*r);

 /////////////////////////////

 float a = 19.0f;
 //Sonuna f koyduðumuzda sistem float olduðunu anlar

 System.out.println(a*4/3);

 //////////////////////////////

 String name = "James";
 String surname = "Matt";
 String fullname = name + " " + surname;

 System.out.println(name);
 System.out.println(surname);
 System.out.println(fullname);

 /////////////////////////////

 boolean isAlive = true;
 isAlive = false;

 System.out.println(isAlive);


 }
}