WrapperTest.java

public class WrapperTest {
   
    public static void main(String[] args) {
        int i=3;
        Integer w=new Integer(i);
        int iw=w.intValue();
        System.out.println("İlkel, Sınıf, İlkel "+i+" "+w+" "+i);
        
        String s=Integer.toString(i);
        String s2="123";
        int is=Integer.parseInt(s2);
        System.out.println("Katar, Katar 2, İlkel "+s+" "+s2+" "+is);
        
        Integer bw=i;
        int bi=w;
        System.out.println("Kutulu, Kutusuz "+bw+" "+bi);
        
    }
    
}