Rathore Mahavir. - Java 8 Exception Handling Quiz
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This book is for Java programmers who want to deepen their skills in exception handling. After reading this book your understanding of exception handling will be enhanced. This book is in concise and direct MCQ (Multiple Choice Question) format, it has over 110+ questions and answers on Java exception handling. It covers many frequently asked questions hence it is useful to enhance ones knowledge on different aspects of exception handling using Java. The explanation in the book are concise not detailed. The book is spread across 17 chapters. Some of the major topics covered in book are
User defined exception
Exception chaining
Finally block
Finally with return keyword
Checked and unchecked exceptions
Nested Exception
Exception handling for overridden methods
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Black Book Series Jav a Exception Handling Quiz Mahavir DS Rathore
Copyright Java 8 Exception handling quiz by Mahavir DS Rathore. While every precaution has been taken in the preparation of this book the author assume No responsibility for errors or omissions, or for damages resulting from the use of the information contained herein. About the author I have has been programming & teaching Java for last 18 years. This book is an effort to document my knowledge to share with everyone across the world. I am available to do training on Java anywhere in the world. My email id is gurumahaveer@gmail.com Who should read the book? This book is for programmers who already know Core Java (Java Standard Edition).
Acknowledgement Java is owned by Oracle and trademark is acknowledged. Dedication To the inventors of the Java Language. Table of Content
| Sl.No | Chapter | HyperLink |
| Java Setup | ||
| What is Exception? | ||
| What is Exception Handling? | ||
| Java Exception Hierarchy | ||
| Try and Catch Block | ||
| Exception Handling API | ||
| Multiple Catch | ||
| Multiple Exceptions | ||
| Finally Block | ||
| Finally and return keyword | ||
| Checked and Unchecked Exception | ||
| Nested Exception | ||
| Throw Keyword | ||
| Exception Chaining | ||
| Try with Resource | ||
| Overriding Exception | ||
| User Defined Exception |
| Q.1: What is the latest version of Java? | |
| A | |
| B | |
| C | |
| D | |
| <----Right Answer |
| Q.2: JRE stands for .................. | |
| A | Java Robust Engine |
| B | Java Required Engine |
| C | Java Runtime Engine |
| D | Java Runnable Engine |
| <----Right Answer |
| Q. 3: JDK stands for .................. 4: To compile and execute Java application ............. is needed | |
| A | JDK |
| B | JRE |
| C | JME |
| D | JEE |
| <----Right Answer |
| Q.5: Which environment variable (Windows OS) is set for accessing java compiler and java interpreter at command line? | |
| A | CLASSPATH |
| B | JAVAHOME |
| C | PATH |
| D | HOME |
| <----Right Answer |
| Q.6: To just execute a Java application ................ is needed at the minimum. | |
| A | JME |
| B | JDK |
| C | JEE |
| D | JRE |
| <----Right Answer |
| Q.7: The command for java interpreter (Windows OS) is .......... | |
| A | Javaip.exe |
| B | Javac.exe |
| C | Java.exe |
| D | Javai.exe |
| <----Right Answer |
| Q.8: The command for Java compiler (Windows OS) is .......... | |
| A | Java.exe |
| B | Javacompiler.exe |
| C | Javacomp.exe |
| D | Javac.exe |
| <----Right Answer |
| Q.9: In which folder is 32-bit JDK (Windows OS) is installed by default? | |
| A | Files\ |
| B | C:\Windows\ |
| C | C:\Java |
| D | Files (x86)\ |
| <----Right Answer |
| Q.10: In which folder is 64-bit JDK (Windows OS) is installed by default? | |
| A | Files\ |
| B | C:\Windows\ |
| C | C:\Java |
| D | Files (x86)\ |
| <----Right Answer |
| Q.No | Ans | Explanation |
| D | The latest version of Java is version 8. | |
| C | JRE stands for Java Runtime Engine. | |
| B | JDK stands for Java Development Kit. | |
| A | JDK is required for a Java program to be compiled and executed. | |
| C | PATH environment variable contains the location of Java commands. | |
| D | To just execute a java application only JRE is required. | |
| C | Java.exe is the command to activate Java interpreter. | |
| D | Javac.exe is the command to activate Java compiler. | |
| D | 32-bit application on Windows OS is installed in Files (x86)\ folder by default. | |
| A | 64-bit application on Windows OS is installed in Files\ folder by default. |
Chapter 2 What is Exception? | Q.1: ........ |
Chapter 2 What is Exception? | Q.1: ........ Occur at Runtime. | |
| A | Error |
| B | Exception |
| C | Trigger |
| D | None of the above |
| <----Right Answer |
| Q.2: Runtime error is also called as ........... | |
| A | Error |
| B | Compiler error |
| C | Exception |
| D | None of the above |
| <----Right Answer |
| Q.3: Syntax error yields into a ......... | |
| A | Runtime error |
| B | Exception |
| C | Compiler error |
| D | All of the above |
| <----Right Answer |
| Q.4: Dividing an integer by zero yields into a ........ | |
| A | Compiler error |
| B | JVM error |
| C | Nothing |
| D | Exception |
| <----Right Answer |
| Q.5: A missing semi-colon for an instruction yields into a .......... | |
| A | 'throw' is called |
| B | Abnormal code is executed |
| C | Asynchronous error happen |
| D | All of the above |
| <----Right Answer |
| Q.No | Ans | Explanation |
| B | Exception occur at Runtime i.e. during program execution. | |
| C | Another name for Runtime error is Exception. | |
| C | Syntax error yields into a Compiler error. | |
| D | Division by zero yields into ArithmeticException. | |
| C | Missing semi-colon is captured as a Compiler error. | |
| B | Exception ArrayOutOfBounds occur. | |
| D | An exception can occur when any of below is called or occur a. 'throw' b. 'throw' b. |
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