Question

Which datatype to use to save data upto 12 digits in jvaa?

Answer 1

Your concrete example could be stored in long (or java.lang.Long if this is necessary).

If at any point you need bigger numbers, you can try java.math.BigInteger (if integer), or java.math.BigDecimal (if decimal)

Answer 2

Answer:

Integers

Explanation:

Datatypes are used to determine the nature of the variable .

When we specify that a variable has a certain datatype we say what values the expression may have .

Explanation:

The datatypes are :

• Byte .
• Short .
• Char .
• Int .
• Float .
• Long .
• Double .
• Boolean .
• String .