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How do people become Java programmers?

Asked by Rajendra 13/09/2023 Last Modified 18/09/2023

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class HappyGarbage01 { public static void main(String args[]) { HappyGarbage01 h = new HappyGarbage01(); h.methodA(); /* Line 6 */ } Object methodA() { Object obj1 = new Object(); Object [] obj2 = new Object[1]; obj2[0] = obj1; obj1 = null; return obj2[0]; } } Where will be the most chance of the garbage collector being invoked? A. After line 9 B. After line 10 C. After line 11 D. Garbage collector never invoked in methodA()

Hello Shrikant who told you that you can explicity call garbage collector. You cann't call gc explicity even when you use System.gc() it is not guranteed that gc will be invoked it is all up to JVM when...

Srikanth

0 0

Who can provide good Java training with real-time but not institute?

I provide industry specific training to students. If interested check my profile. I used to provide training in Big Data, Java, Scala and Spark too.

Sridevi

0 0

why can't we create an object for abstract class? why wait,notify,notifyall methods were in object class but not in thread class?

Abstract class is having an abstract method. It is empty method, created for future requirements, therefore usage is not certain by specifying objects to it.

Jilani

0 0

Is synchronized keyword necessary, in Java, if everything that is modified in a function is local to that function?

No, it is not required if you make sure whatever parameters are updated/modified will be done as atomic references/operations. Atomicity is an alternative to syncronizatiom.

Abishiek

0 0

I want to know what are the differences between runnable and thread class implementation except they are class and interface and how to decide which is better at what time ...

1) Implementing Runnable is the preferred way to do it. Here, you’re not really specializing or modifying the thread’s behavior. You’re just giving the thread something to run. That means composition is...

Ankit Garg

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