Is hashset sorted in java?
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what is bytecode? watz the difference between machine code and bytecode?
Explain creating threads by extending thread class ?
What value is a variable of the string type automatically initialized?
How do you change an int to a string?
How many bits are used to represent unicode, ascii, utf-16, and utf-8 characters in java programming?
how to know the total memory occupied by the objects in the ArrayList(Array list may contain duplicate objects)
How will you reverse a link list without using recursion?
What carriage return means?
what is the replacement for GOTO in java?
interface X{ void m1(); void m2(); } class Child2 extends Object implements X { public void m1(){ System.out.println("Child2 M1"); } public void m2(){ System.out.println("Child2 M2"); } } public class ParentChildInfterfaceDemo { public static void main(String[] args){ X x = new Child2(); X x1 = new Child2(); x.m1(); x.m2(); x.equals(x1); } } Will the above code work? If yes? Can you please explain why the code x.equals(x1) will work as the equals method is called on interface reference vaiable?
What are batch updates. in jdbc
explain autoboxing in java?