KwickClips Java · 40 sec · free
What does an int field with no value print?
Short answer. 0.
Do local variables get defaults?
No. Only fields and array elements do.
Default values
| Type | Default |
|---|---|
| int, long | 0 |
| double | 0.0 |
| boolean | false |
| String | null |
Remember
| Fields and arrays: defaults |
| Local variables: none |
An int field with no value prints what? Fields get defaults. Numbers get zero. Double gets zero point zero. Boolean gets false. String gets null. Fields and arrays get defaults. Local variables do not.
This clip is from the full lesson: Data Types, Variables and Constants in Java — 7 minutes, with the tables, the quick answers and the whole lesson in text.
Useful for: CBSE Class 11 Information Technology (802), ICSE Class 9 Computer Applications, ICSE Class 9 Computer Applications, ICSE Class 10 Computer Applications
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