How to add variable

Question

I want to be a apps developers

Answer 1

Syntax for creating a variable in Java :-

Syntax :- datatype var_name = value;
Ex :- int a = 10;

Answer 2

To create a simple local variable, for example a int or string use:

int number = 50;
string word = "word";

static void PrintMyVariable(){
int number = 10;
string type = "dogs";
System.out.println("Peter has "+number+" "+type);
}

this would print: Peter has 10 dogs