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

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Declaration and Access Control
What is the result of compiling and running the following code?public class Tester{static int x = 4;int y = 9; public Tester(){System.out.print(this.x); // line 1printVariables();}public static void printVariables(){System.out.print(x); // line 2System.out.print(y); // line 3}public static void main(String... args) { // line 4new Tester();}}

Compile error at line 2 (must access x by writing Tester.x)
49
Compile error at line 3 (static methods can't make reference to non-static variables)
Compile error at line 1 (static x must be only accessed inside static methods)
Compile error at line 4 (invalid argument type for method main)

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Declaration and Access Control
Choose all the lines which if inserted independently instead of "//insert code here" will allow the following code to compile:public class Test{ public static void main(String args[]){ add(); add(1);add(1, 2); }// insert code here}

void add(Integer... args){}
static void add(int[]... args){}
static void add(int... args, int y){}
static void add(int...args){}
static void add(int args...){}

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