learn and dive deep in Java Course. integral data types (Primitive data types in Java)

Main.java

public class Main {

  /*
      byte (-128  --   127)
      short (-32768  --   32767)
      int (-2147483648  --   2147483647)
      long (-9223372036854775808  --   9223372036854775807)

      float: 7 decimal digits
      double: 15 decimal digits
   */
  public static void main(String[] args) {

    byte myByte = (byte) -127;

    short myShort = 32000;
    int myInt = 20000;
    long myLong = 922_337_203_685_477_580L;

    float myFloat = 2.123456789F;
    double myDouble = 2.123456789123456789;

    System.out.println(myFloat);
  }
}