0.1+0.1+0.1+0.1+0.1+0.1+0.1+0.1+0.1+0.1 = 0.9999999999999999
fun 2:
0.0175 * 100000 = 1750.0000000000002
fun 3:
System.out.println(new Float(1/0.).isInfinite());
System.out.println(new Float(0/0.).isNaN());
fun 4:
Integer a = 10;
Integer b = 10;
System.out.println(a == b);
//true
Integer a = 10000;
Integer b = 10000;
System.out.println(a == b);
//false
LOL
System.out.println( 9.86 + 60.88); // --> 70.74000000000001