Top 100 java interview questions

• Now its time to practice some java programs.
• Here we provided some java interview programs and basic programs with solutions to practice.
• Java programming exercises for beginners and experienced programmers.
• We have also provided some java multiple choice questions and answers.
• Lets see what are the top 100 java interview questions we have listed

 1.Restricting a class from creating more than three objects.

•  Restring a class from creating multiple objects or restricting class from creating not more than three objects this type of interview questions will come for experience interview or written tests.

• Java Example program to restrict a class from creating not more than three objects  

 2.Print message without using System.out.println() method.

• Can we print a message without using system.out.println() or System.out.print() methods.
• Yes we can. Check below java example program and practice it.
• Java example program to print message without using System.out.println()

3.What happens when we try to print null?

•  What happens When System.out.println(null)?

4.Constructor Chaining in java

• Constructor chaining in java with example programs to practice for freshers [Solution]

5.Fibonacci series with recursion

•  Check here

6. Print pascals triangle.

•  Java example program to print pascals triangle [Solution]

7.Get top two maximum numbers in an array

• How to get top two maximum numbers in java [Solution]

8.Merge sort algorithm in java

• Merge sort algorithm with an example program to practice [Solution]

9.Java Interview Programming questions on this keyword.

• Here we have provided some java programs and you need to find out the output of the program.
• Practice and get the output check the programs on this keyword [Solution]

10. Abstract class interview Programming questions

• Here we have provided 15 java interview programmings questions to practice for beginners and experienced.
• Top 15 Java abstract class and abstract method interview questions and programs

11.Multiple choice interview programs and questions to practice.

• Multiple choice java interview programs on this keyword [Check here]
• Core java multiple choice questions with answers on method overloading [Check here]
• Multiple choice programs to practice on static keyword [Check here]
• Constructors java interview programs for freshers [Check here]
• Mentioned questions are top java interview questions and programs

13. Oops concepts Programming questions to practice : Java beginner practice problems

• Constructor in interface ? [Solution]
• Can we create private constructor in java ? [Solution]
• Super keyword in java inheritance ? [Solution]
• Can we override static methods in java? [Solution] 
• Can we overload static methods in java? [Solution]  
• Can we call sub class methods using super class object ? [Solution]

14.Java programming exercises with solutions on java Strings

• 8 different ways to convert int to String [Solution]
• Top java interview questions on Strings
• java programming problems and solutions on String:  Find longest substring int between specified characters [Solution]
• #1: Java Program to Remove non ASCII chars from String
• #2: Java Program to Remove multiple spaces in a string
• Check here for all questions on removing non ascii char from a String
• #1: Java Program to Remove all occurrences of  char in a string  
• #2: Java Program to Replace First occurance of Specific index char in a String
• #3: Java Program to Remove all Numbers from a string.
• Check here for all questions on replacing or removing char from a String
• Check here for Java program to check two strings are anagrams or not  
• Check here for all programs on counting number of vowels in a string

15.java programming practice questions and answers on collections

• Check below 50 example programs on collections
• Java collection programming exercises
• Java collections interview programming questions 

16. Exception handling interview questions and programs.

• Here is the list of top java interview questions and programs
• Top 20 Java Exception handling interview questions and answers