Java learning diary-3.1 about 0 and infinity, java diary-3.10 and

Java learning diary-3.1 about 0 and infinity, java diary-3.10 and

1. Infinite

In Java, infinity is defined as a floating point number, which is divided into POSITIVE_INFINITY and NEGATIVE_INFINITY.

2. null

Null can be considered as a special reference type in java. It can be assigned to any referenced type variable, indicating that the reference does not point to any specific object, however, null cannot be assigned to the basic data type.

3. Division Summary

 

4. Remainder

A. the integer is divided by the integer 0. An exception occurs when the remainder is obtained.

B. Divide the floating point number by the integer 0 and calculate the remainder NaN.

C. Divide any number by the floating point number 0 and calculate the remainder NaN