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}

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}

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

static void add(int...args){}

void add(Integer... args){}

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

static void add(int args...){}

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

static void add(int...args){}

void add(Integer... args){}

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

static void add(int args...){}

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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.

Only the Test class.

None of these

Any class that extends Test.

Any class in com.mypackage package.

Any class.

Only the Test class.

None of these

Any class that extends Test.

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

IllegalArgumentException is thrown at runtime.

InsideDemo 10 Hello2

Compilation error.

Hello2 InsideDemo 10

InsideDemo 10 Hello2 hello1

IllegalArgumentException is thrown at runtime.

InsideDemo 10 Hello2

Compilation error.

Hello2 InsideDemo 10

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Declaration and Access Control
Consider the following two classes declared and defined in two different packages, what can be added in class B to form what considered a correct access to class A from main() method of class B?package subPackage;public class A { }package anotherPackage;// line 1public class B{public static void main(String[] args){// line 2}}1. At line1 add noting; At line2 add: new A();2. At line 1 add: import package.; at line 2 add : new subPackage.A();3. At line 1 add: import subPackage.; at line 2 add : new A();4. At line 1 add: import subPackage.A; at line 2 add : new A();

1 and 3

2 and 4

3 and 4

1 and 2

1 and 3

2 and 4

3 and 4

1 and 2

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Declaration and Access Control
What will be the output after the following program is compiled and executed?public class Test{ public static void main(String args[]){ int x = 10; x = myMethod(x--); System.out.print(x); } static int myMethod(final int x){ return x--; }}

The program will compile successfully and display 10 as output.

The program will lead to compilation error.

The program will lead to runtime error.

None of these

The will compile successfully and display 9 as output.

The program will compile successfully and display 10 as output.

The program will lead to compilation error.

The program will lead to runtime error.

None of these

The will compile successfully and display 9 as output.

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Declaration and Access Control
The object is created with new keyword

Depends on the code

None of these

At run-time

At Compile-time

Depends on the code

None of these

At run-time

At Compile-time

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Declaration and Access Control

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}

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;}

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;}}

Declaration and Access Control What will be the output after the following program is compiled and executed?public class Test{ public static void main(String args[]){ int x = 10; x = myMethod(x--); System.out.print(x); } static int myMethod(final int x){ return x--; }}

Declaration and Access Control The object is created with new keyword

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}

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;}

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;}}

Declaration and Access Control
What will be the output after the following program is compiled and executed?public class Test{ public static void main(String args[]){ int x = 10; x = myMethod(x--); System.out.print(x); } static int myMethod(final int x){ return x--; }}

Declaration and Access Control
The object is created with new keyword