Incremental Demo

public class IncrementalDemo {
    public static void main(String[] args) {
        int a = 1;
        int b = 1;
        int x = ++a;
        int y = b++;
        // ++a: Increase a, then use the value
        // So x = ++a: a = a + 1, x = a
        System.out.println("a = " + a + ", x = " + x);
        // b++: Use the value, then increase b
        // So y = b, b = b + 1
        System.out.println("b = " + b + ", y = " + y);
    }
}

a = 2, x = 2
b = 2, y = 1