Answers for "when to use var in java"

why use var in java

improve the readability of code for other developers who read the code. 
In some situations

variables in java

class Variables {
    public static void main(String[] args) {
        String msg = "Hello World"; // Strings
        int number = 10; // Integers
        float decimal = 7.369f; // Make sure to end the decimal with an f.
        char letter = 'A'; // Characters
        boolean result = true; // Booleans
    }
}