Miscellaneous In Java — Part 2 MCQs with Explanations

It throws an ArithmeticException is the correct answer to “What is the result of the following code in Java? `System.out.println(5 / 0);`”. This question is standard in competitive examination syllabi for Miscellaneous In Java.

It exits the `switch` statement and continues with the next statement after it is the correct answer to “What does the `break` statement do when used in a `switch` statement in Java”. This question is standard in competitive examination syllabi for Miscellaneous In Java.

final is the correct answer to “Which Java keyword is used to explicitly specify that a variable cannot be changed after it is assigned a value”. This question is standard in competitive examination syllabi for Miscellaneous In Java.

To format strings based on a format string and arguments is the correct answer to “What is the purpose of the `String.format()` method in Java”. This question is standard in competitive examination syllabi for Miscellaneous In Java.

final is the correct answer to “Which Java keyword is used to define a constant interface”. This question is standard in competitive examination syllabi for Miscellaneous In Java.

To suppress compiler warnings for specific code is the correct answer to “What is the purpose of the `@SuppressWarnings` annotation in Java”. This question is standard in competitive examination syllabi for Miscellaneous In Java.

TreeSet is the correct answer to “In Java, which collection class does not allow duplicate elements and is typically implemented as a binary tree”. This question is standard in competitive examination syllabi for Miscellaneous In Java.

true is the correct answer to “What is the result of the following code in Java? `System.out.println(10 > 5 ? "true" : "false");`”. This question is standard in competitive examination syllabi for Miscellaneous In Java.

ArrayIndexOutOfBoundsException is the correct answer to “In Java, which exception is thrown when an attempt is made to access an array element with an index that is negative or greater than or equal to the array size”. This question is standard in competitive examination syllabi for Miscellaneous In Java.

extends is the correct answer to “Which Java keyword is used to define a subclass that inherits from another class”. This question is standard in competitive examination syllabi for Miscellaneous In Java.

It refers to the superclass of the current class is the correct answer to “What does the `super` keyword refer to in Java”. This question is standard in competitive examination syllabi for Miscellaneous In Java.

It indicates that the variable should not be serialized is the correct answer to “In Java, what is the purpose of the `transient` keyword when applied to an instance variable”. This question is standard in competitive examination syllabi for Miscellaneous In Java.

8 is the correct answer to “What is the output of the following code snippet in Java? `System.out.println(Math.pow(2, 3));`”. This question is standard in competitive examination syllabi for Miscellaneous In Java.

^ is the correct answer to “Which Java operator is used to perform a bitwise XOR operation between two integers”. This question is standard in competitive examination syllabi for Miscellaneous In Java.

To check if an object is an instance of a particular class or interface is the correct answer to “What is the purpose of the `instanceof` operator in Java”. This question is standard in competitive examination syllabi for Miscellaneous In Java.

NullPointerException is the correct answer to “In Java, which exception is thrown when an object is accessed before it has been initialized”. This question is standard in competitive examination syllabi for Miscellaneous In Java.

List is the correct answer to “Which Java class is used to represent an ordered collection of elements”. This question is standard in competitive examination syllabi for Miscellaneous In Java.

To create a synchronized block of code for multithreading is the correct answer to “What is the purpose of the `synchronized` keyword in Java”. This question is standard in competitive examination syllabi for Miscellaneous In Java.

It refers to the current instance of the class is the correct answer to “In Java, what does the `this` keyword refer to”. This question is standard in competitive examination syllabi for Miscellaneous In Java.

Final class cannot be inherited is the correct answer to “What is true of final class”. This question is standard in competitive examination syllabi for Miscellaneous In Java.

object is the correct answer to “Which of these cannot be declared static”. This question is standard in competitive examination syllabi for Miscellaneous In Java.

Compile time error is the correct answer to “What will be the output of the following Java snippet, if compiled and executed with command line "hello there"? public class abc { String[] xyz; public static void main(String argv[]) { xyz=argv; } public void runMethod() { System.out.println(argv[1]); } }”. This question is standard in competitive examination syllabi for Miscellaneous In Java.

1, 10 is the correct answer to “How many copies of static and class variables are created when 10 objects are created of a class”. This question is standard in competitive examination syllabi for Miscellaneous In Java.

False is the correct answer to “Can a class be declared with a protected modifier.”. This question is standard in competitive examination syllabi for Miscellaneous In Java.

The snippet compiles, runs and prints "I code" is the correct answer to “What will be the output of the following Java code snippet running with "java demo I write java code"? public class demo { public static void main(String args[]) { System.out.println(args[0]+""+args[args.length-1]); } }”. This question is standard in competitive examination syllabi for Miscellaneous In Java.

Objects of class A can be instantiated only within the class where it is declared is the correct answer to “What happens if constructor of class A is made private”. This question is standard in competitive examination syllabi for Miscellaneous In Java.

private is the correct answer to “Which of the following modifier means a particular variable cannot be accessed within the package”. This question is standard in competitive examination syllabi for Miscellaneous In Java.

main() is the correct answer to “Which of these methods must be made static”. This question is standard in competitive examination syllabi for Miscellaneous In Java.

1 2 3 is the correct answer to “What will be the output of the following Java program? class Output { public static void main(String args[]) { int arr[] = {1, 2, 3, 4, 5}; for ( int i = 0; i < arr.length - 2; ++i) System.out.println(arr[i] + " "); } }”. This question is standard in competitive examination syllabi for Miscellaneous In Java.

Function overloading is the correct answer to “What is the process of defining more than one method in a class differentiated by parameters”. This question is standard in competitive examination syllabi for Miscellaneous In Java.

accessible within package and outside the package but through inheritance only is the correct answer to “How can a protected modifier be accessed”. This question is standard in competitive examination syllabi for Miscellaneous In Java.

11 is the correct answer to “What will be the output of the following Java program? class string_class { public static void main(String args[]) { String obj = "I LIKE JAVA"; System.out.println(obj.length()); } }”. This question is standard in competitive examination syllabi for Miscellaneous In Java.

final is the correct answer to “Which of these keywords is used to prevent content of a variable from being modified”. This question is standard in competitive examination syllabi for Miscellaneous In Java.

5 is the correct answer to “What will be the output of the following Java program? class box { int width; int height; int length; int volume; void volume() { volume = width * height * length; } void volume(int x) { volume = x; } } class Output { public static void main(String args[]) { box obj = new box(); obj.height = 1; obj.length = 5; obj.width = 5; obj.volume(5); System.out.println(obj.volume); } }”. This question is standard in competitive examination syllabi for Miscellaneous In Java.

Arguments tab is the correct answer to “How do we pass command line argument in Eclipse”. This question is standard in competitive examination syllabi for Miscellaneous In Java.

default is the correct answer to “Which is the modifier when there is none mentioned explicitly”. This question is standard in competitive examination syllabi for Miscellaneous In Java.

I is the correct answer to “What will be the output of the following Java program? class string_class { public static void main(String args[]) { String obj = "I LIKE JAVA"; System.out.println(obj.charAt(3)); } }”. This question is standard in competitive examination syllabi for Miscellaneous In Java.

@Parameter is the correct answer to “Which annotation is used to represent command line input and assigned to correct data type”. This question is standard in competitive examination syllabi for Miscellaneous In Java.

1 5 is the correct answer to “What will be the output of the following Java program? class access { public int x; static int y; void cal(int a, int b) { x += a ; y += b; } } class static_specifier { public static void main(String args[]) { access obj1 = new access(); access obj2 = new access(); obj1.x = 0; obj1.y = 0; obj1.cal(1, 2); obj2.x = 0; obj2.cal(2, 3); System.out.println(obj1.x + " " + obj2.y); } }”. This question is standard in competitive examination syllabi for Miscellaneous In Java.

2 3 is the correct answer to “What will be the output of the following Java snippet, if compiled and executed with command line argument "java abc 1 2 3"? public class abc { static public void main(String [] xyz) { for(int n=1;n<xyz.length; n++) { System.out.println(xyz[n]+""); } } }”. This question is standard in competitive examination syllabi for Miscellaneous In Java.