What about static nested classes in java?

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What is the use of join method?

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Explain listiterator and methods in listiterator?

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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 private constructor?what are the uses of writing private constructor in our program?

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Can a class be private in java?

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what is use of functional interface in java 8?

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What is dot operator?

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What is a newline character in java?

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Difference between class#getinstance() and new operator ?

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abstract class Demo { public void show() { System.out.println("Hello I am In show method of Abstract class"); } } class Sample extends Demo { public void show() { super.show(); System.out.println("Hello I am In Sample "); } } public class Test { public static void main(String[] args) { //I WANT TO CALL THE METHOD OF BASE CLASS IT IS POSSIBLE OR NOT CAN WE USE SCOPE RESOLUTION OPERATOR TO CALL OR JAVA NOT SUPPORTED THAT :: OPERATORE } }

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What is internal iteration in java se 8?

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