What is difference between fail-fast and fail-safe?
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Why is a string immutable?
What is application tier?
What do you understand by an io stream?
What super () does in java?
Why java is considered as platform independent?
What is the difference between parameters and arguments ?
Why wait(),notify(),notifyAll() methods defined in Object class althought we are using in only threads.
Define "Access specifiers" in java.
What is the impact of declaring a method as final?
Which method is used to find that the object is exited or not?
import java.io.*; class Demo { public static void main(String args[]) { File f=new File("1234.msg"); String arr[]=f.list(); System.out.println(arr.length); } }
What are the advantages and disadvantages of object cloning?