KwickClips Java · 40 sec · free
Why is "25" + 5 equal to 255?
Short answer. Text plus a number joins them instead of adding.
What is the difference between parseInt and valueOf?
parseInt gives a primitive int; valueOf gives an Integer object.
Remember
| parseInt gives an int |
| valueOf gives an Integer object |
Text twenty five plus five gives two five five. Fix it! Parse int turns text into an int. Now plus five gives thirty. Parse double does this for decimals. Parse int gives an int. Value of gives an Integer object.
This clip is from the full lesson: Wrapper Classes, Autoboxing and Character Methods — 6 minutes, with the tables, the quick answers and the whole lesson in text.
Useful for: CBSE Class 12 Information Technology (802), ICSE Class 10 Computer Applications, ICSE Class 10 Computer Applications, ICSE Class 10 Computer Applications
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