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

What is the difference between jfc & wfc?

1 1146

What is the difference between a scrollbar and a scrollpane?

1 1139

Name four container classes.

1 1063

Write code of any action class?

1 1091

What are the two basic ways in which classes that can be run as threads may be defined?

1 1166

When is an object subject to garbage collection?

1 1176

When is the finally clause of a try-catch-finally statement executed?

1 1169

What happens if a try-catch-finally statement does not have a catch clause to handle an exception that is thrown within the body of the try statement?

1 1200

Give us the name of the list layoutmanagers in java?

1 968

How are the elements of a gridbaglayout organized?

1 1144

Which package is always imported by default?

1 1169

What classes of exceptions may be thrown by a throw statement?

1 1035

What happens when you invoke a thread’s interrupt method while it is sleeping or waiting?

1 1048

What class allows you to read objects directly from a stream?

1 1406

What is the difference between the file and randomaccessfile classes?

1 1197

Un-Answered Questions { Java Related }

what are the different modes of archival? Explain each mode in two lines each?

992

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

2657

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

1077

What is the first argument of the string array in main method?

1023

hi actully i hav form columns with origin and destination names .as like as i need to create one more column with name amount. my requirement is when i select origin and destination columns automatically i need to get amount from database.how can i. please tel me with relative code

2856

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

1120

What is a classloader in java?

1080

How to sort array in descending order in java?

981

What is java string pool?

1072

How does java handle integer overflows and underflows?

1102

What is parsing in java?

1022

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

926

How is declarative handling of exceptions done in struts ?

999

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126

What are the differences between heap and stack memory in java?

1121

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