java variable declaration

1/* Depending on what variables you want to declare */
2String hello = "hello"; //characters
3short one = 12;//shorter integers
4int two = 2000; //complete integer up too 32 bits
5long number = 2000000; //complete integer up to 64 bits
6float decimal = 1.512 //up to 7 decimal digits
7double million = 1.387892847395 //up tp 16 decmial digits
8Bool condition = true; // true or false
9char a = "a"; // unicode character

1java decleration
2
3float simpleInterest; //Declaring float variable

1int i(0);

1int myVariable = 42;    //This is the most commonly used variable. Only use other variables if you have a good reason to.

1java decleartion 
2
3int a, b, c;         // Declares three ints, a, b, and c.
4int a = 10, b = 10;  // Example of initialization
5byte B = 22;         // initializes a byte type variable B.
6double pi = 3.14159; // declares and assigns a value of PI.
7char a = 'a';        // the char variable a iis initialized with value 'a'