Core java - Interview Questions and Answers for 'A9.com' - 2 question(s) found - Order By Newest Very frequently asked. Favorite question in Walk in Drive of many Indian service companies. Frequently asked in HCL Technologies, TCS and Accenture. Q1. What is the difference between final, finally and finalize() ? Core Java
Ans. final - constant variable, objects cannot be de-referenced, restricting method overriding, restricting class sub classing. Sample Code for final Sample Code for finally Sample Code for finalize Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Asked in 61 Companies basic frequent Related Questions Difference between final and effectively final ? Why is effectively final even required ? Which of the following combination of keywords is illegal in Java ? What is a final method ? Which keyword is used to provide explicit access of a code block to single thread ? Enums cannot be declared .. What is a Final Variable ? Should we override finalize method ? Will the static block be executed in the following code ? Why ? Can we override compareTo method for Enumerations ? Q2. Write a program to print the index of the first non repeated character in a java string Core Java
Ans. public class BuggyBread1{ Help us improve. Please let us know the company, where you were asked this question : Like Discuss Correct / Improve Asked in 9 Companies Related Questions Which keyword is used to provide explicit access of a code block to single thread ? How does volatile affect code optimization by compiler? Will this code give error if i try to add two heterogeneous elements in the arraylist. ? and Why ? What is the difference between the following two code lines ? Which String class does not override the equals() and hashCode() methods, inheriting them directly from class Object? If arrays cannot be resized , Why is this code valid Will the static block be executed in the following code ? Why ? If you are given a choice to implement the code to either Insert a Record or Update if already exist, Which approach will you follow ? Which of the following is not the advantage of Mocking frameworks ? How can we make sure that a code segment gets executed even in case of uncatched exceptions ?
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Very frequently asked. Favorite question in Walk in Drive of many Indian service companies. Frequently asked in HCL Technologies, TCS and Accenture.
java oops final finally finalize final vs finally vs finalize 
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Which of the following is wrong for final instance variables ?
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