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

Explain different ways of creating a thread?

1 1149

What differences exist between iterator and listiterator?

1 1124

Explain the differences between abstraction and encapsulation?

1 1123

What is autoboxing and unboxing?

1 1091

What is the importance of finally block in exception handling?

1 1119

What is the difference between exception and error in java?

1 1097

Can you override private or static method in java?

1 1060

What is comparable and comparator interface? List their differences

1 1165

How does thread synchronization occurs inside a monitor? What levels of synchronization can you apply?

1 1044

Why is java called the platform independent programming language?

1 1087

What are the data types supported by java?

1 1103

What does system.gc() and runtime.gc() methods do?

1 1109

How do you ensure that n threads can access n resources without deadlock?

1 1387

When is the finalize() called? What is the purpose of finalization?

1 1165

If an object reference is set to null, will the garbage collector immediately free the memory held by that object?

1 1232

Un-Answered Questions { Java Related }

i want test pattern of zylog company and some examples also

2855

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

994

How is declarative handling of exceptions done in struts ?

999

Are jvm’s platform independent?

973

What do you mean by an interface in java?

1095

What is latest hibernate version?

485

What is the java api?

986

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

1025

What is the difference between break and continue statements?

1117

What is a classloader in java?

1080

What is difference between @controller and @restcontroller in spring?

533

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

How does java handle integer overflows and underflows?

1107

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

1058

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

1123

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