Is string is a class in java?
- 0 Answers
- 521 Views
- I also Faced
- E-Mail Answers
No Answer is Posted For this Question
Be the First to Post Answer
What is a singleton puppy?
what do you mean by classloader in java?
Why is string class considered immutable?
Difference between static synchronization vs. Instance synchronization?
What are the data types supported by java? What is autoboxing and unboxing?
Explain the term virtual machine?
Which way a developer should use for creating thread, i.e. Sub classing thread or implementing runnable.
Explain about strings in java?
how to convert mm/dd/yy to dd/mm/yy using collections in java.
What is an example of declaration?
How garbage collection is done in java?
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.
Core Java 
