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KwickClips Java · 44 sec · free

How big is a char in Java?

Short answer. 2 bytes, because Java uses Unicode.

What is the byte range?

-128 to 127.

Sizes in bytes

TypesBytes
byte / short1 / 2
int / float4
long / double8
char2 (Unicode)

Remember

byte range: -128 to 127
boolean: true or false

In C, a char is one byte. In Java? Here are the sizes. Byte one, short two. Int and float four. Long and double eight. Char is two bytes, for Unicode. Byte runs minus one twenty eight to one twenty seven. Boolean is true or false.

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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