Wrapper Classes

22. Program

//Find what it gives Compiletion Error / Compiletion Successfully / Output ?
class M22
{
 public static void main(String[] args)
 {
  Integer obj1 = new Integer(10);
  Integer obj2 = 10;  //new Integer(10);
  System.out.println("done");
 }
}

---

23. Program

//Find what it gives Compiletion Error / Compiletion Successfully / Output ?
class M23
{
 public static void main(String[] args)
 {
  int i = 10;
  int j = new Integer(10); //new Integer(10).intValue();
  System.out.println("done");
 }
}

---

24. Program

//Find what it gives Compiletion Error / Compiletion Successfully / Output ?
class M24
{
 public static void main(String[] args)
 {
  char c1 = new Character('s');
  char c2 = 's';
  System.out.println("done");
 }
}

---

25. Program

//Find what it gives Compiletion Error / Compiletion Successfully / Output ?
class M25
{
 public static void main(String[] args)
 {
  
  Double d1 = new Double(20);
  double d2 = d1.doubleValue();
  System.out.println("done");
 
 }
}

---

26. Program

//Find what it gives Compiletion Error / Compiletion Successfully / Output ?

---

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