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 to create daemon thread in java?

1 1131

Write a program to print all permutations of string?

1 1175

Why char array is preferred over string for storing password?

1 1165

Can we use string in switch case in java?

1 1156

How can we achieve thread safety in java?

1 1222

What is string in java? String is a data type?

1 1068

What is string pool?

1 1241

When do we need to use internal iteration? When do we need to use external iteration?

1 1215

How can we create a thread in java?

1 1096

Differences between external iteration and internal iteration?

1 1231

What are the major drawbacks of external iteration?

1 1114

What is the major advantage of external iteration over internal iteration?

1 1174

Write a method that will remove given character from the string?

1 1093

How do you check if two strings are equal in java?

1 1074

Write a function to find out longest palindrome in a given string?

1 1131

Un-Answered Questions { Java Related }

What is the java api?

981

How does java handle integer overflows and underflows?

1100

What are the contents on web.xml in struts application ?

1051

what is reflection api? How are they implemented?

1092

What is the difference between filters and interceptors ?

1283

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122

Can we return resultset in java?

980

What is the resourcebundle class?

997

What do you understand by casting in java language? What are the types of casting?

918

What is a classloader in java?

1076

What is the difference between break and continue statements?

1110

Write a java program to find the route that connects between Red and Green Cells. General Rules for traversal 1. You can traverse from one cell to another vertically, horizontally or diagonally. 2. You cannot traverse through Black cells. 3. There should be only one Red and Green cell and at least one of each should be present. Otherwise the array is invalid. 4. You cannot revisit a cell that you have already traversed. 5. The maze need not be in the same as given in the above example

2654

Can we extract main method from another class?

1019

What is a constructor overloading in java?

1118

Write a program to find the whether a number is an Armstrong number or not?

1089

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