does java support pointers?

0 Answers  

---

Which list is sorted in java?

0 Answers  

---

How do you sort a string in alphabetical order in java?

0 Answers  

---

Is string a keyword in java?

1 Answers  

---

How to solve the problem of generating the unique hash keys with hash function?

0 Answers  

---

What are the advantages of arraylist over arrays?

0 Answers  

---

Given: 10. interface A { void x(); } 11. class B implements A { public void x() { } public voidy() { } } 12. class C extends B { public void x() {} } And: 20. java.util.List list = new java.util.ArrayList(); 21. list.add(new B()); 22. list.add(new C()); 23. for (A a:list) { 24. a.x(); 25. a.y();; 26. } What is the result? 1 Compilation fails because of an error in line 25. 2 The code runs with no output. 3 An exception is thrown at runtime. 4 Compilation fails because of an error in line 20.

3 Answers  

---

What is the purpose of default constructor?

0 Answers  

---

what is difference between Interface and abstract class

2 Answers   GCPL,

---

Can a class be protected in java?

0 Answers  

---

can two class in a code be public??if yes then how??

2 Answers  

---

How does thread synchronization occurs inside a monitor?

0 Answers  

---