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();}}

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 4 (invalid argument type for method main)

Compile error at line 3 (static methods can't make reference to non-static variables)

Compile error at line 2 (must access x by writing Tester.x)

Compile error at line 1 (static x must be only accessed inside static methods)

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Compile error at line 4 (invalid argument type for method main)

Compile error at line 3 (static methods can't make reference to non-static variables)

Compile error at line 2 (must access x by writing Tester.x)

Compile error at line 1 (static x must be only accessed inside static methods)

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Declaration and Access Control
What will be the output?public class Test{ public static void main(String[] args){ String value = "abc"; changeValue(value); System.out.println(value); } public static void changeValue(String a){ a = "xyz"; }}

Compilation clean but no output

Compilation fails

xyz

None of these

abc

Compilation clean but no output

Compilation fails

xyz

None of these

abc

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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 will compile successfully and display 9 as output.

None of these

The program will lead to compilation error.

The program will compile successfully and display 10 as output.

The program will lead to runtime error.

The will compile successfully and display 9 as output.

None of these

The program will lead to compilation error.

The program will compile successfully and display 10 as output.

The program will lead to runtime error.

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Declaration and Access Control
A method within a class is only accessible by classes that are defined within the same package as the class of the method. Which one of the following is used to enforce such restriction?

Do not declare the method with any accessibility modifiers.

Declare the method with the keyword public.

Declare the method with the keyword protected.

Declare the method with the keyword public and private.

Declare the method with the keyword private.

Do not declare the method with any accessibility modifiers.

Declare the method with the keyword public.

Declare the method with the keyword protected.

Declare the method with the keyword public and private.

Declare the method with the keyword private.

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Declaration and Access Control
Choose the correct statement. Restriction on static methods are: I. They can only call other static methods.II. They must only access static data.III. They cannot refer this or super in any way.

Only (III)

(I) and (II)

Only (I)

(II) and (III)

(I), (II) and (III)

Only (III)

(I) and (II)

Only (I)

(II) and (III)

(I), (II) and (III)

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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;}

None of these

Only the Test class.

Any class in com.mypackage package.

Any class that extends Test.

Any class.

None of these

Only the Test class.

Any class in com.mypackage package.

Any class that extends Test.

Any class.

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Declaration and Access Control

Declaration and Access Control What will be the output?public class Test{ public static void main(String[] args){ String value = "abc"; changeValue(value); System.out.println(value); } public static void changeValue(String a){ a = "xyz"; }}

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 A method within a class is only accessible by classes that are defined within the same package as the class of the method. Which one of the following is used to enforce such restriction?

Declaration and Access Control Choose the correct statement. Restriction on static methods are: I. They can only call other static methods.II. They must only access static data.III. They cannot refer this or super in any way.

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
What will be the output?public class Test{ public static void main(String[] args){ String value = "abc"; changeValue(value); System.out.println(value); } public static void changeValue(String a){ a = "xyz"; }}

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
A method within a class is only accessible by classes that are defined within the same package as the class of the method. Which one of the following is used to enforce such restriction?

Declaration and Access Control
Choose the correct statement. Restriction on static methods are: I. They can only call other static methods.II. They must only access static data.III. They cannot refer this or super in any way.

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;}