how can i create variable in java !!!

well creating variables in java is extremely easy like all other programming languages....................................................
integers can be created as

int data;
int data=5;
int data,result,sum;

long can be created as

long data;

long data=14.0;

long data,result,sum;

float can be 

float data; 

float data=4F;                  //this statment will execute as well and will convert 4 to float 4. this is called literals.

float data,result,sum;

double can be

double data;

double data=10D;        //this statment will execute as well and will convert 4 to double 4. this is called literals.

double data,result,sum;

characters can be created as

char data;

char data='k';

String could be created as

String data;

String data="hi ! this is java programme";