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Earn +20 ptsQ: How many bytes is a double variable?
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How many bytes required for int float double char boolean?
Int: 4 bytes Float: 4 double: 8 char: 1 boolean: 1
What is the function in java to find the size of given variable?
Dependion on the variable there are several methods to do it, this can only be applied to primitive types and arrays, for an array its the "name_of_array.length", for the arraylist this change just a little, it would be like "name_of_array_list.size()", for an int, double, float, long, byte, it would be like "name_of_variable.LENGTH" this is a public variable so you dont need a get, an finally for the String there is a method "name_of_string.length()" this would return the size of this String
What is a double byte?
A double byte is two bytes.
Why pointer variable size of is 4bytes in 32 bit compiler?
Because 32 bit is exactly four bytes.
What are two Java primitive types store floating-point numbers?
In Java, you can use either a float or a double
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