KwickClips Java · 41 sec · free
Why does an int go into a double without a cast?
Short answer. A double can hold every int value, so nothing is lost.
What does it print?
250.0, because a double always shows a decimal part.
Remember
| Small type to big: automatic |
| byte, int, long, float, double |
An int goes into a double with no cast. Why is that safe? A double can hold every int value. So Java widens it automatically. Avg becomes two fifty point zero. Small to big is automatic. Byte, int, long, float, double.
This clip is from the full lesson: Type Conversion in Java: Implicit and Explicit Casting — 7 minutes, with the tables, the quick answers and the whole lesson in text.
Useful for: ISC Class 11 Computer Science (868), ISC Class 12 Computer Science (868), Programming All levels Java
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