which one is more efficient int x; 1. if(x==null) 2.if(null==x) state which one either 1 or 2?
6 9239how tha garbage collector know that the object will be deleted? on which algorithm the garbage collector works? what is the working principle of garbage collector? How manay types of garbage collectors r there?
1 6351suppose we have an interface & that interface contains five methods. if a class implements that interface then we have to bound that to give tha definition of all five methods in that class. If we declare that class as abstract then can we call only two methods to give the deinition of that method & i don't want to give the definition of all the methods? can it possible
6 8249java program that takes a 3 digit number n and finds out whether the number 2^n + 1 is prime, or if it is not prime find out its factors.
7 8404why we write public static void main (String args[]) in core java plz explain briefly??????????????????
HCL,
3 7250if we give input as " hi how are you" then the output should be "uoy woh"...it should skip odd words in the input and should reverse even words from the end of string...can anyone help me to write this program in java
1 3447
How does queue work in java?
What is an immutable object? How do you create one in java?
What is deserialization?
What's the difference between an abstract class and interface in java?
Differentiate between == and equals().
What are the advantages of java over C++?
When should I use a singleton?
What is == and === in javascript?
What is difference between iterator access and index access?
What are voids?
Is alive in java?
What is a finally block?
Can we create object of static class?
How do you convert string to int in java?
How do you remove all elements from an arraylist in java?