Question 1

Which of these class is used to make a thread?

Accepted Answer

A) String 
B) System 
C) Thread 
D) Runnable 
A) String 
B) System 
C) Thread 
D) Runnable C

Question 2

Which of these methods can be used to write console output?

Accepted Answer

A) printout() 
B) println() 
C) write() 
D) All of the mentioned 
A) printout() 
B) println() 
C) write() 
D) All of the mentioned B

Question 3

Runnable is a

Accepted Answer

A) Class 
B) Method 
C) Variable 
D) Interface 
A) Class 
B) Method 
C) Variable 
D) Interface D

Question 4

Which of these interface is implemented to create a Thread?

Accepted Answer

A) Runnable 
B) Connections 
C) Set 
D) MapConnections 
A) Runnable 
B) Connections 
C) Set 
D) MapConnections

Question 5

A single try block must be followed by which of these?

Accepted Answer

A) finally 
B) catch 
C) catch or finally 
D) None of the mentioned 
A) finally 
B) catch 
C) catch or finally 
D) None of the mentioned

Question 6

Which of these is used to read a string from the input stream?

Accepted Answer

A) get() 
B) getLine() 
C) read() 
D) readLine() 
A) get() 
B) getLine() 
C) read() 
D) readLine()

Question 7

Which of these method of Thread class is used to find out the priority given to a thread?

Accepted Answer

A) get() 
B) ThreadPriority() 
C) getPriority() 
D) getThreadPriority() 
A) get() 
B) ThreadPriority() 
C) getPriority() 
D) getThreadPriority()

Question 8

Which of these classes are used by Byte streams for input operation?

Accepted Answer

A) InputStream 
B) InputOutputStream 
C) Reader 
D) All of the mentioned 
A) InputStream 
B) InputOutputStream 
C) Reader 
D) All of the mentioned

Question 9

Which of these method waits for the thread to treminate?

Accepted Answer

A) sleep() 
B) isAlive() 
C) join() 
D) stop() 
A) sleep() 
B) isAlive() 
C) join() 
D) stop()

Question 10

Which class is the super class of all classes of the java.lang package?

Accepted Answer

A) Object 
B) System 
C) Super 
D) Class 
A) Object 
B) System 
C) Super 
D) Class

Question 11

Which exception is thrown by read() method?

Accepted Answer

A) IOException 
B) InterruptedException 
C) SystemException 
D) SystemInputException 
A) IOException 
B) InterruptedException 
C) SystemException 
D) SystemInputException

Question 12

Which is the super class of all exception classes

Accepted Answer

A) Exception 
B) Object 
C) Error 
D) Throwable 
A) Exception 
B) Object 
C) Error 
D) Throwable

Question 13

Which of the following exception is raised when a number is divided by zero

Accepted Answer

A) NumberFormatException 
B) ArithmeticException 
C) NullPointerException 
D) IllegalArgumentException 
A) NumberFormatException 
B) ArithmeticException 
C) NullPointerException 
D) IllegalArgumentException

Question 14

Which of these exceptions will occur if we try to access the index of an array beyond its length?

Accepted Answer

A) ArithmeticException 
B) ArrayException 
C) ArrayIndexException 
D) ArrayIndexOutOfBoundsException 
A) ArithmeticException 
B) ArrayException 
C) ArrayIndexException 
D) ArrayIndexOutOfBoundsException

Question 15

Thread priority in Java is represented as?

Accepted Answer

A) int 
B) Float 
C) double 
D) long 
A) int 
B) Float 
C) double 
D) long

Question 16

Which refers to a channel through which data flow from the source to the destination:

Accepted Answer

A) String 
B) Character 
C) Stream 
D) Buffer 
A) String 
B) Character 
C) Stream 
D) Buffer

Question 17

Which of this method of Thread class is used to change the state of a thread to blocked state?

Accepted Answer

A) sleep() 
B) terminate() 
C) stop() 
D) block() 
A) sleep() 
B) terminate() 
C) stop() 
D) block()

Question 18

Byte Stream Classes support input/output operations on _____

Accepted Answer

A) 8 bit 
B) 16 bit 
C) 32 bit 
D) 64 bit 
A) 8 bit 
B) 16 bit 
C) 32 bit 
D) 64 bit

Question 19

Which of these classes is used to read characters and strings in Java from console?

Accepted Answer

A) BufferedReader 
B) StringReader 
C) BufferedStreamReader 
D) InputStreamReader 
A) BufferedReader 
B) StringReader 
C) BufferedStreamReader 
D) InputStreamReader

Question 20

Which of these methods is used to begin the execution of a thread?

Accepted Answer

A) run() 
B) start() 
C) runThread() 
D) startThread() 
A) run() 
B) start() 
C) runThread() 
D) startThread()

Which of these class is used to make a thread?

Which of these methods can be used to write console output?

Runnable is a

Which of these interface is implemented to create a Thread?

A single try block must be followed by which of these?

Which of these is used to read a string from the input stream?

Which of these method of Thread class is used to find out the priority given to a thread?

Which of these classes are used by Byte streams for input operation?

Which of these method waits for the thread to treminate?

Which class is the super class of all classes of the java.lang package?

Which exception is thrown by read() method?

Which is the super class of all exception classes

Which of the following exception is raised when a number is divided by zero

Which of these exceptions will occur if we try to access the index of an array beyond its length?

Thread priority in Java is represented as?

Which refers to a channel through which data flow from the source to the destination:

Which of this method of Thread class is used to change the state of a thread to blocked state?

Byte Stream Classes support input/output operations on _____

Which of these classes is used to read characters and strings in Java from console?

Which of these methods is used to begin the execution of a thread?

Java Programming Language

Java Object-Oriented Programming

Java Programming: Data Types, Inheritance, Interfaces, Packages, and Exception Handling

Java Inputoutput and Event Handling

AWT Components and Layout Management in Java

Java Programming Concepts

Java Thread Class, Exception Handling, and Garbage Collection

Java Multithreading and Exception Handling

Java Programming Language: Inheritance, Interfaces, Packages, and Methods

Java Programming : JDBC API, Layout Managers, and Event Handling

Java RMI and Swing Framework

Java Programming: GUI, RMI, Polymorphism, and String Handling

Java Programming:methods, Data Types, Operators, and Classes

Java Programming : Event Handling, Exception Handling

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Exam 4: Java Exception Handling and Inputoutput Operations

Which of these class is used to make a thread?

Which of these methods can be used to write console output?

Runnable is a

Which of these interface is implemented to create a Thread?

A single try block must be followed by which of these?

Which of these is used to read a string from the input stream?

Which of these method of Thread class is used to find out the priority given to a thread?

Which of these classes are used by Byte streams for input operation?

Which of these method waits for the thread to treminate?

Which class is the super class of all classes of the java.lang package?

Which exception is thrown by read() method?

Which is the super class of all exception classes

Which of the following exception is raised when a number is divided by zero

Which of these exceptions will occur if we try to access the index of an array beyond its length?

Thread priority in Java is represented as?

Which refers to a channel through which data flow from the source to the destination:

Which of this method of Thread class is used to change the state of a thread to blocked state?

Byte Stream Classes support input/output operations on _____

Which of these classes is used to read characters and strings in Java from console?

Which of these methods is used to begin the execution of a thread?

Java Programming Language

Java Object-Oriented Programming

Java Programming: Data Types, Inheritance, Interfaces, Packages, and Exception Handling

Java Inputoutput and Event Handling

AWT Components and Layout Management in Java

Java Programming Concepts

Java Thread Class, Exception Handling, and Garbage Collection

Java Multithreading and Exception Handling

Java Programming Language: Inheritance, Interfaces, Packages, and Methods

Java Programming : JDBC API, Layout Managers, and Event Handling

Java RMI and Swing Framework

Java Programming: GUI, RMI, Polymorphism, and String Handling

Java Programming:methods, Data Types, Operators, and Classes

Java Programming : Event Handling, Exception Handling

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