Is string serializable in java?
No Answer is Posted For this Question
Be the First to Post Answer
What is OOP Language?
Why is singleton instance static?
What is variable explain?
Are static members inherited to sub classes?
What is finally in exception handling?
Can arraylist hold different types java?
Do I need java on my pc?
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.
What's the default access specifier for variables and methods of a class?
What is the use of list in java?
When do we use synchronized blocks and advantages of using synchronized blocks?
How to reduce flicking in animation?