public class WhileLoop {

    
    public static void main(String[] args) {
        
        //Argument to while must be boolean else we get error
        while(1)//error
        {

        }
        //{} braces are optional and we can take only "one" statement but it should not be declerative statement

        while(true)
            int a;//error




        //Unrechable Statement 
        while(true)
        {
            System.out.println("hello");
        }
        System.out.println("hi");//This is unrechable statement so error
    
    
    
    }

}