What is the difference between the final method and abstract method?

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What is an interface in java?

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Write a program in java to calculate the difference between the sum of the odd level and even level nodes of a binary tree.

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What are the advantages of exception handling?

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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 releases of Java technology are currently available? What do they contain?

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What are Brief Access Specifiers and Types of Access Specifiers?

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What is the difference between DataInputStream and BufferedReader

2 Answers   Hexagon,

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Which is fastest collection in java?

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What super () does in java?

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How do you achieve singleton?

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Explain the use of volatile field modifier?

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