gs gs111 Types of Classes (Using Java) - Static Class - Quiz No.1
gs gs111 OOP Object Oriented Programming Java Quiz
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Question 2: What will be the output of the following Java code?
public class getClass { public static class Inner { public void print() { System.out.println("Inner"); } } public static void main(String[] args) { getClass.Inner i = new getClass.Inner(); System.out.println(i.getClass()); i.print(); } } class getClass$Inner Inner
class getClass.InnerInner
class getClass.Inner Innerclass Inner Inner
Question 3: What will be the output of the following Java code?
public class StaticOuter { public static class StaticInner { public void display() { System.out.println("StaticInner"); } } public class Inner { public void display() { System.out.println("Inner"); } } public static void main(String[] args) { StaticOuter.StaticInner i = new StaticOuter.StaticInner(); System.out.println(i.getClass()); i.display(); StaticOuter.Inner j = new StaticOuter.Inner(); System.out.println(j.getClass()); j.display(); } } class StaticOuter$StaticInner StaticInner class StaticOuter$Inner Inner
Runtime Error
class StaticOuter.StaticInner StaticInner class StaticOuter.Inner Inner
Compilation Error
Question 4: What will be the output of the following Java code?
public class Program { public static class Char { public void print(int a) { System.out.println((char)c); } } public static void main(String[] args) { Program.Inner i = new Program.Inner(); i.print(97); } }
A
The unicode character of the integer is A
The unicode character of the integer is a
Error
Question 5: What will be the output of the following Java code?
public class DisplayProg { public static class Display { String a; Display(String a) { this.a = a; } public static void display() { System.out.println(a); } } public static void main(String[] args) { DisplayProg.Display i = new DisplayProg.Display("A","A"); i.display(); } }
Strings are equal
The strings aren’t equal
Runtime Error
Compilation Error
Question 6: What will be the output of the following Java code?
public class String { public static class obj { String a; int b; obj(String x, int y) { a=x; b=y; } } public static void main(String[] args) { String.obj i = new String.obj("San",10); System.out.println(i); System.out.println(i.toString()); } } San 10 "San 10" "San" 10 ""San" 10" String$obj@2a139a55 "San" 10 String$obj@2a139a55 String$obj@2a139a55
Question 7: What will be the output of the following Java code?
public class StringProgram { public static class Compare { static String a,b; Compare(String x, String y) { a=x; b=y; } public static void compare() { if(a==b) System.out.println("The strings are equal"); else System.out.println("The strings aren't equal"); } } public static void main(String[] args) { String a = new String("NVAEducation"); String b = new String("NVAEducation"); StringProgram.Compare i = new StringProgram.Compare(a, b); i.compare(); } }
Runtime Error
Compilation Error
The strings are equal
The strings aren’t equal
Question 8: What will be the output of the following Java code?
public class charAtFunction { public static class Inner { public static void indexChar(String a, int b) { System.out.println(a.charAt(b)); } } public static void main(String[] args) { charAtFunction.Inner.indexChar("NVAEducation", 8); } }
d
r
Compilation error
Runtime Error
