What is the use of optional ?
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how cani read a command line argument?(usingfile object).
Is there any tag in htm to upload and download files?
how session will be expired?
How can you share data between two thread in Java?
How can constructor chaining be done using this keyword?
How is object created in java?
What is a “stateless” protocol ?
What is factor r?
solve this is my problem byte a=40,byte b=50 both add value is 90 this is with in range of byte... byte range is -128to 127.... why this pgm gives error like type mismatch.... package javapgms; public class byte1 { public static void main(String args[]) { byte a=40,b=50; byte c=a+b; System.out.println(c); } } note : dont use int k... a,b,c are in byte range... mind it..
What is the major difference between linkedlist and arraylist?
What is == in java?
What is a ?