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which one is more efficient int x; 1. if(x==null) 2.if(null==x) state which one either 1 or 2?
6 11209how 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 7279suppose 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 10203java 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 10222why we write public static void main (String args[]) in core java plz explain briefly??????????????????
HCL,
3 8473if 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 4160
What are local variables?
What flag up means?
How many types of equations are there?
What is the purpose of declaring a variable as final?
can I implement my own start() method? : Java thread
What do the thread?class methods run() and start() do?
What is the concatenation operator in java?
Why java is call by value?
What is the loop in java?
What is logical variable?
Give me an example of array and linked list? Where they can be used?
What is difference between fail-fast and fail-safe?
What is an empty class? What functionality does it offer in Java?
How does callback work in java?
What is a variable declaration?
