public class Demo1
{
    public static void main(String[] args)
    {
        String s;

        s = "Hello" + 3.14;     // Result: "Hello3.14"
        s = "Hello" + 999;      // Result: "Hello999"
        s = "Hello" + 'A';      // Result: "HelloA"
        s = "Hello" + (3 < 4);  // Result: "Hellotrue"

        s = 777 + "Hello";        // Result: "777Hello"  
    }
}