What is lambda in java?
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What are the data types supported by java?
What is parameters example?
how to print the below in java?thanks in advance.... * * * * * * * *
Why should we create an object? what is a need of it? Apart from access members of a class i want what is a need of object what does it contain?? In normal class to access any member of thaht class we create object where as for static class we access its members using class name. what is a difference between them... thanks in advance.
Is there any difference between synchronized methods and synchronized statements?
Which one will take more memory: an int or integer?
What do you understand by the term singleton?
What collections you have worked on? Internal working of Hashmap?
Why are lists ordered in java?
What is the purpose of the finally clause of a try-catch-finally statement in java programming?
What do you understand by weak reference?
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); } }