Question: Literals

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joginder singh
Literals
2 Answer(s)      8 years ago
Posted in : Java Beginners
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October 16, 2008 at 10:13 AM


Hi friend,

A constant value in a program is denoted by a literal.
Literals represent numerical (integer or floating-point), character, boolean or string values.

Example of literals:

Integer literals:
1 2 4

Floating-point literals:
.66 0.3 6.14

Character literals:
'(' 'Z' 'k' '{'

Boolean literals:(predefined values)
true false

String literals:
"Hello" "abc" "gfh" "dfg"

Three reserved identifiers are used as predefined literals:
true and false representing boolean values.
null representing the null reference.

For more information,Tutorials and Examples on Literals visit to :

http://www.roseindia.net/java/language/java-literals.shtml

Thanks


October 16, 2008 at 10:28 AM


Hi,


In programming, a value written exactly as it's meant to be interpreted. In contrast, a variable is a name that can represent different values during the execution of the program. And a constant is a name that represents the same value throughout a program. But a literal is not a name -- it is the value itself.

A literal can be a number, a character, or a string. For example, in the expression,

x = 3

x is a variable, and 3 is a literal.


Thanks.

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