Wrapper Classes

13. Program

//Find what it gives Compiletion Error / Compiletion Successfully / Output ?
class M13
{
 public static void main(String[] args)
 {
  String s1 = "908G;
  Double d1 = Double.valueOf(s1);
  System.out.println("done");
 }
}

---

14. Program

//Find what it gives Compiletion Error / Compiletion Successfully / Output ?
class M14
{
 public static void main(String[] args)
 {
  String s1 = "s";
  char c1 = 'd';
  Character c2 = Character.valueOf(s1);
  Character c3 = Character.valueOf(c1);
  System.out.println("done");
 }
}

---

15. Program

//Find what it gives Compiletion Error / Compiletion Successfully / Output ?
class M15
{
 public static void main(String[] args)
 {
  int i = 10;
  String s1 = Integer.toString(i);
  double j = 34.09;
  String s2 = Double.toString(j);
  boolean k = true;
  String s3 = Boolean.toString(k);
  char c1 = 'f';
  String s4 = Character.toString(c1);
  System.out.println("done");
 }
}

---

16. Program

//Find what it gives Compiletion Error / Compiletion Successfully / Output ?
class M16
{
 public static void main(String[] args)
 {
  String s1 = "45";
  byte b1 = Byte.parseByte(s1);
  int i = Integer.parseInt(s1);
  double d1 = Double.parseDouble(s1);
  long d2 = Long.parseLong(s1);
  
  System.out.println(b1);
  System.out.println(i);
  System.out.println(d1);
  System.out.println(d2);
 }
}

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