Java2014_DataTypesOperatorsConsole

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package datatypes;

import java.io.IOException;
import java.util.*;

/**
 *
 * @author fmi
 */
public class DataTypes {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) throws IOException {
        // TODO code application logic here
        byte myByte = 22;
        short myShort = 257;
        int myInt = -123;
        long myLong = 123L; // 077 0x077

        float myFloat = 2.34F;
        double myDouble = 2.34; //

        char myChar = 'c'; //'\u0000'
        boolean myBoolean = false; // true

        // -------------------- Referent -----
        String myName = "Stoyan\\ "; // \n
        Object myOtherByte = 3;

        System.out.print(myName);
        System.out.println(myName);

        // int ch;
        // 1.
        // ch = System.in.read();
       // System.out.print((char) ch);

        // while ((ch = System.in.read()) != '\n') {
        //    System.out.print((char) ch);
        // }

        // 2.
        Scanner input = new Scanner(System.in);
        System.out.print("Please enter your first name: ");
        String firstName = input.nextLine();
        System.out.println(firstName);

        double number1 = 3.14;
        double number2 = 2.71;

        System.out.println(number1 + number2);

        System.out.printf("%.3f \n", number1 + number2);

/* Old way for reading symbols
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        String firstString = br.readLine();
        String lastString = br.readLine();
        System.out.printf("Hello, %s %s!\n", firstString, lastString);
*/


      for(int i = 0; i < 10; i++)
      {
          for (int j = 0; j < i; j ++)
          {
            System.out.print('*');
          }
          System.out.print("\n");
      }

      Operations(2.32, 45.6);

    }

    static void Operations(double par1, double par2)
    {
        System.out.printf("%.2f + %.2f = %.2f", par1, par2, par1 + par2);

    }

}

/*
import java.util.*;
public class ReadingStringsNewStyle {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
System.out.print("Please enter your first name: ");
String firstName = input.nextLine();
System.out.print("Please enter your last name: ");
String lastName = input.nextLine();
System.out.printf("Hello, %s %s!\n", firstName, lastName);
// input.close(); - Don't close Scanner reading System.in!
}
}
*/