Declaration and Access Control
What can directly access and change the value of the variable qusNo?package com.mypackage;public class Test{ private int qusNo = 100;}

Any class that extends Test.
Only the Test class.
None of these
Any class.
Any class in com.mypackage package.

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Declaration and Access Control
Determine output:public class InitDemo{static int i = demo();static{ System.out.print(i); }InitDemo(){System.out.print("hello1");}public static void main(String... args){ System.out.print("Hello2");} static int demo(){ System.out.print("InsideDemo");return 10;}}

InsideDemo 10 Hello2 hello1
InsideDemo 10 Hello2
IllegalArgumentException is thrown at runtime.
Compilation error.
Hello2 InsideDemo 10

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Declaration and Access Control
Determine output:class A{{System.out.print("b1 ");}public A(){System.out.print("b2 ");}}class B extends A{static{System.out.print("r1 ");}public B(){System.out.print("r2 ");}{System.out.print("r3 ");}static{System.out.print("r4 ");}}public class Test extends B{public static void main(String[] args){System.out.print("pre ");new Test();System.out.println("post ");}}

r1 r4 pre b1 b2 post
Compilation fail
r1 r4 pre b1 b2 r3 r2 post
r1 r4 pre b1 b2 post r3 r2
pre r1 r4 b1 b2 r2 r3 post

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