Wednesday, 18 January 2017

level 0 : 06 Step by step interview question to crack the interview.

1. what is sequence of class loader to load any class ?
2. what is byte code verifier ?
3. what are the memory area in jvm ?
4. what is class area and where the .class is loaded ?
5. how many class area do jvm has ?
6. what is heap area ?
7. how jvm use this heap area ?
8. what is stack area. how jvm use this stack area?
9. how many stack area will be in jvm for main thread ?
10. how many stack area will be create in jvm per thread ?
11. when does this stack destroy ?
12. brief the case : with stack diagram for below callkr class ?
class callkr {
public static void method1(){
}
public static void method2(){
}
public static void main(String args[]){
           method1();
           method2();
}
}

13. what is native area in java. how it is use in java ?
14. what is native code . how native code is written in java ?
15. what is JNI and what is pc register ?

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