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Top Ten java interview questions.
Can you Give the difference between an interface and the abstract class?
An interfaces cannot have members and methods whereas Abstract classes can have members,methods.
When you use abstract class and When you use an interface?
Interface is when you want which method a class must have.if you have another implementation then use abstract class.
What does the Serializable interface do ?
By Serializable Interface we can Serailize object
Can we force the garbage collection ?
No we cannot force the Garbage collection.
Define Synchronization in the Java ?
Synchronization is process of controlling access of shared resources by the multiple threads .
What is memory leak ?
Memory Leak is an unreferenced object that will never be used again it still hangs around in the memory
Give the difference between stringbuffer and stringbuilder ?
StringBuffer is a synchronized. whereas StringBuilder is unsynchronized .
what is difference between checked and unchecked exceptions ?
Unchecked exceptions Give information about the defects in the program (bugs). whereas as checked exceptions Give Information about the invalid conditions
How Java allocate the stack and heap memory ?
Based on object the creation java allocates stack and heap memory
What is Java Reflection ?
We Use Reflection is used when programs requires to examine or modify the runtime behavior of applications .
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Hi, I would like to Share Top Java interview questions and answers pdf
Iam Sharing Pdf For Java Interview Questions
Please Learn The Concept The otherwise You Might Be in Trouble
Top Ten java interview questions.
Can you Give the difference between an interface and the abstract class?
An interfaces cannot have members and methods whereas Abstract classes can have members,methods.
When you use abstract class and When you use an interface?
Interface is when you want which method a class must have.if you have another implementation then use abstract class.
What does the Serializable interface do ?
By Serializable Interface we can Serailize object
Can we force the garbage collection ?
No we cannot force the Garbage collection.
Define Synchronization in the Java ?
Synchronization is process of controlling access of shared resources by the multiple threads .
What is memory leak ?
Memory Leak is an unreferenced object that will never be used again it still hangs around in the memory
Give the difference between stringbuffer and stringbuilder ?
StringBuffer is a synchronized. whereas StringBuilder is unsynchronized .
what is difference between checked and unchecked exceptions ?
Unchecked exceptions Give information about the defects in the program (bugs). whereas as checked exceptions Give Information about the invalid conditions
How Java allocate the stack and heap memory ?
Based on object the creation java allocates stack and heap memory
What is Java Reflection ?
We Use Reflection is used when programs requires to examine or modify the runtime behavior of applications .
Downlaod more Java interview questions and answers from below
click here
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