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Data types in java with example

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In java there are main 2 types of data types. 1. Primitive Datatype. 2. Non-Primitive Datatypes. In Primitive also two types Numeric and Non-numeric datatypes. First we learn Numeric datatypes... 1.Integer datatypes.     (i)byte : byte is a shortest integer Datatype.byte datatype size is 8 bits and it's range of value is -128 to 127. ex: // Example of byte datatype.       package com.jaks;       class main{            public static void main (String [] args){                  byte A= 120;                  byte B= 127;                  System.out.println(A+B);       // output is 247.       // if we are take 128 value for byte it gets error.            }       }  now it's time for second type it i...