automatic type conversion

Hey guys! i need some help with this question..

Describe what is meant by Automatic Type Conversion in the context of Java's numeric data types and contrast this with type casting. Using your definitions comment on the following assignments:

(a) byte i = 100;

(b) long l = i*3+4;

(c) double d = i*3.1+1/2;

(d) float f = 10.1;

[364 byte] By [fairydusta] at [2007-11-27 2:11:40]