VarSample.java

public class VarSample {
    public static void main(String[] args) {
        var str = "test";
        System.out.println(str.toUpperCase());

        var o = new Object() {
            public int sum(int x, int y) {
                return x + y;
            }
        };

        System.out.println(o.sum(5, 7));
        System.out.println(o.getClass().getName());
    }
}