Java Notes
1) What all datatypes you know in java? -> Data type specify the size and value that can be store in variable. DataType are divided into two group : - Primitive datatypes include byte,short,int,long,float,double and char. - Non Primitive datatypes include String,Arrays,Classes and Interfaces.ss 2) Can you give size required for each datatype? -> DataType Size Description -byte 1 byte Stores whole numbers from -128 to 127 -short 2 bytes Stores whole numbers from -32,768 to 32,767 -int 4 bytes Stores whole numbers from -2,147,483,648 to 2,147,483,647 -long 8 bytes Stores whole numbers from -9,223,372,036,854,775,808 to 9,223,372,036,854,775,807 -float 4 bytes ...