Introduction to Java: Quiz 2
Quiz by Kushal Verma
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15 questions
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- Q1Which of these classes are the direct subclasses of the Throwable class?Error and Exception classIOException and VirtualMachineError classException and VirtualMachineError classRuntimeException and Error class45s
- Q2Which of these keywords must be used to handle the exception thrown by try block in some rational manner?throwscatchthrowfinally30s
- Q3File class is included in which package?java.langjava.netjava.iojava.util45s
- Q4Given the code: String s1 = ”yes” ; String s2 = ”yes” ; String s3 = new String (s1); Which of the following would equate to true?s1 == s3Compilation Errors1 == s3s1 == s245s
- Q5What type of Exceptions can NOT be ignored at compile time?ErrorChecked ExceptionsUncompiled ExceptionsUnchecked Exceptions45s
- Q6java.lang.NullPointerException is aRuntime ExceptionNone of the givenCompile time ExceptionError45s
- Q7Which of these will be invalid declaration?try-finally blocktry-catch-finally blockcatch-finally blocktry-catch block45s
- Q8Which of the statement is not true about String in java?String is case sensitive in Java.String class is defined in java.util package.String is thread-safe in Java.String is immutable in Java.45s
- Q9Which of these class is used to read bytes from a file?FileInputStreamOutputReaderFileWriterFileReader45s
- Q10Which of these class is used to write characters in a file?FileOutputFileOutputStreamStreamWriterFileWriter45s
- Q11Which of these methods are used to read in from file?read()scan()get()readFileInput()45s
- Q12Which of these exception is thrown in cases when the file specified for reading is not found?FileInputExceptionFileNotFoundExceptionFileExceptionNullPointerException45s
- Q13Which are the special symbols used to declare an array in Java?[]<>{}()45s
- Q14What is the output of the below Java program? int[] marks = {35,65,95}; System.out.print(marks.length + "," + marks[1]);2,653,652,353,3545s
- Q15What is the output of the below Java code snippet? int[] buckets = {}; System.out.print(buckets.length);Compiler error01-145s