What is replaceall in java?

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What is anonymous class?

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What is classes in java?

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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.

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What is primitive array?

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Can a variable be local and static at the same time?

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What is method with example?

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Can we instantiate Interfaces?

7 Answers   Ericsson,

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How do you do math powers in java?

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What is map and hashmap in java?

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What are the benefits of immutable objects?

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What's the difference between int and integer in java?

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