What is n in java?
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How will you add panel to a frame?
What is local class in java?
Can you run the product development on all operating systems ?
give me the answer of this code class A extnds String This code we can write r not in Java? Explain?
What is finalize()?
What are actual parameters?
What does i ++ mean in Java?
What is aggregation and composition ?
What are facelets templates?
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 are the disadvantages of object oriented programming?
What is the purpose of garbage collection in java, and when is it used?