What is difference between final and immutable?
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Does garbage collection guarantee that a program will not run out of memory?
What is meant by polymorphism?
write a program to create an arraylist and listeterator.and value should be enter through keyboard.
What is yield () in java?
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); } }
can any body body expalin best definitions & best real time exaples for opps concepts.
What are wrapped classes?
Explain the difference between collection api and stream api in java8?
How do I enable java in safari?
Name the components that are termed to be Heavy-weight component but available in Light-weight components?
What is the use of flag?
What invokes a thread's run() method in java programming?