2218JavaWrapperClass

class Main {
    public static void main(String[] args) {
        System.out.println("Hello World!");
        
        Boolean stringbool = new Boolean("false");
        System.out.println(stringbool);
        
        Boolean bool = new Boolean(true);
        System.out.println(bool);
        
        Integer i2=Integer.valueOf("011011", 2);
        System.out.println(i2);
    }
}