Basic Programs Of Java

15. Program

//Find the O/P ? 
class O
{
 public static void main(String args[])
 {
  int i;
  System.out.println("done");
 }
}

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16. Program

//Find the O/P ? 
class P
{
 public static void main(String args[])
 {
  int i;
  System.out.println(i=10);
 }
}

---

17. Program

//Find the O/P ? 
class Q
{
 public static void main(String args[])
 {
  int i;
  int j = i;
  System.out.println(i);
  System.out.println(j);
 }     // Compiletion Error
}

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18. Program

//Find the O/P ? 
class R
{
 public static void main(String args[])
 {
  int i;
  int j = 10;
  int k = i + j;
  System.out.println(i);
  System.out.println(j);
  System.out.println(k);
 }
}

---

19. Program

//Find the O/P ? 
class S
{
 public static void main(String args[])
 {
  int i;
  i++;
  System.out.println("done");
  
 }
}

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20. Program

//Find the O/P ? 
class T
{
 public static void main(String args[])
 {
  int i = 10;
  double i = 20.9;
  System.out.println("done");
  
 }
}

---

21. Program

//Find the O/P ? 
class U
{
 public static void main(String args[])
 {
  int i = 10;
  System.out.println("i value :" + i);
  
 }
}

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