which of the following is a valid variable declaration and initialization: a. S=12;int s; b. S=12; c. S=12 d. int s; S=12;
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The valid format is the first declaration of variable and then initialization.
datatype variable_name;
variable_name = value;
OR
datatype variable_name = value;
a)
s = 12; //initialization
int s; //variable declaration
Invalid
b)
s = 12; //initialization
Invalid
c)
s = 12 //no semi-colon
Invalid
d)
int s; //variable declaration
s = 12; //initialization
Valid
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