Java Related Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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Java Related Interview Questions

Questions Answers Views Company eMail

How does hashset works in java?

1 1168

Explain the difference between private, public, package and protected in java?

1 1127

Can we have return statement in finally clause? What will happen?

1 1052

Write a java program to check if a number is prime or not?

1 1100

What is equlas() and hashcode() contract in java? Where does it used?

1 1240

How do you sort arraylist in descending order?

1 1099

How do you convert bytes to character in java?

1 1073

Write a program to solve producer consumer problem in java?

1 1092

Explain the difference between hashmap and hashtable in java?

1 1019

What is difference between checked and unchecked exception in java?

1 1100

Explain the difference between extends thread vs implements runnable in java?

1 1225

Write a program to find maximum and minimum number in array?

1 1083

Write a program to calculate factorial in java?

1 1088

Write a program to reverse a number in java?

1 1155

Explain the difference between treeset and treemap in java?

1 1072

Un-Answered Questions { Java Related }

What is java string pool?

1076

Differentiate between static and non-static methods in java.

1117

What is an object in java and how is it created?

1128

explain different ways of using thread? : Java thread

1079

what is reflection api? How are they implemented?

1102

What is lazy class?

480

What if I write static public void instead of public static void?

928

What is parsing in java?

1032

How to sort array in descending order in java?

987

What is the difference between filters and interceptors ?

1301

What is action chaining ?

1160

What is a classloader in java?

1084

Write a program to print count of empty strings in java 8?

1079

What is the java api?

989

What is the difference between equals() and == in java?

1032

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