JAVA interview question set 14

Which file is used to define dependency in maven? Which file is used to define dependency in maven?

1 Mark(s)

build.xml
pom.xml
dependency.xml
version.xml

How can we move from one desired step to another step?

1 Mark(s)

breakpoints
System.out.println
logger.log
logger.error

Which command can be used to check maven version? Which command can be used to check maven version?

1 Mark(s)

mvn -ver
maven -ver
maven -version
mvn -version

Which maven plugin creates the project structure? Which maven plugin creates the project structure?

1 Mark(s)

dependency
properties
archetype
execution

How private field can be called using reflection? How private field can be called using reflection?

1 Mark(s)

getDeclaredFields
getDeclaredMethods
getMethods
getFields

It is a good practise to not throw which exception in close() method of autocloseable? It is a good practise to not throw which exception in close() method of autocloseable?

1 Mark(s)

IOException
CustomException
InterruptedException
CloseException

What does foo.getClass().getMethod(“doSomething”, null) return? What does foo.getClass().getMethod(“doSomething”, null) return?

1 Mark(s)

doSomething method instance
Method is returned and we can call the method as method.invoke(foo,null);
Class object
Exception is thrown

What is used to get class name in reflection? What is used to get class name in reflection?

1 Mark(s)

getClass().getName()
getClass().getFields()
getClass().getDeclaredFields()
new getClass()

How method can be invoked on unknown object? How method can be invoked on unknown object?

1 Mark(s)

obj.getClass().getDeclaredMethod()
obj.getClass().getDeclaredField()
obj.getClass().getMethod()
obj.getClass().getObject()

Which of the below is a source code management tool? Which of the below is a source code management tool?

1 Mark(s)

Jenkins
Maven
Git
Hudson

Which of the below is a child interface of Autocloseable? Which of the below is a child interface of Autocloseable?

1 Mark(s)

Closeable
Close
Auto
Cloneable

What is the use of Flushable interface? What is the use of Flushable interface?

1 Mark(s)

Flushes this stream by writing any buffered output to the underlying stream
Flushes this stream and starts reading again
Flushes this connection and closes it
Flushes this stream and throws FlushException

Which version of java added Flushable interface? Which version of java added Flushable interface?

1 Mark(s)

java SE 7
java SE 8
java SE 6
java SE 5

What does Class.forName(“myreflection.Foo”).getInstance() return? What does Class.forName(“myreflection.Foo”).getInstance() return?

1 Mark(s)

An array of Foo objects
class object of Foo
Calls the getInstance() method of Foo class
Foo object

Which of the following is not a maven goal? Which of the following is not a maven goal?

1 Mark(s)

clean
package
install
debug

Autocloseable was introduced in which Java version? Autocloseable was introduced in which Java version?

1 Mark(s)

java SE 7
java SE 8
java SE 6
java SE 4

Can we run Junits as a part of Jenkins job? Can we run Junits as a part of Jenkins job?

1 Mark(s)

TRUE
FALSE
TRUE
FALSE

Which version of Java introduced annotation? Which version of Java introduced annotation?

1 Mark(s)

Java 5
Java 6
Java 7
Java 8

Which environment variable is used to specify the path to maven? Which environment variable is used to specify the path to maven?

1 Mark(s)

JAVA_HOME
PATH
MAVEN_HOME
CLASSPATH

AutoCloseable and Flushable are part of which package? AutoCloseable and Flushable are part of which package?

1 Mark(s)

Autocloseable java.lang; Flushable java.io
Autocloseable java.io; Flushable java.lang
Autocloseable and Flushable java.io
Autocloseable and Flushable java.lang

Annotations which are applied to other annotations are called meta annotations. Annotations which are applied to other annotations are called meta annotations.

1 Mark(s)

TRUE
FALSE
TRUE
FALSE

What is the difference between AutoCloseable and Closeable? What is the difference between AutoCloseable and Closeable?

1 Mark(s)

Closeable is an interface and AutoCloseable is a concrete class
Closeable throws IOException; AutoCloseable throws Exception
Closeable is a concept; AutoCloseable is an implementation
Closeable throws Exception; AutoCloseable throws IOException

How to get the class object of associated class using Reflection? How to get the class object of associated class using Reflection?

1 Mark(s)

Class.forName(“className”)
Class.name(“className”)
className.getClass()
className.getClassName()

Which file is used to specify the packaging cycle? Which file is used to specify the packaging cycle?

1 Mark(s)

build.xml
pom.xml
dependency.xml
version.xml

Which of below is not a dependency management tool? Which of below is not a dependency management tool?

1 Mark(s)

Ant
Maven
Gradle
Jenkins

Annotation type definition looks similar to which of the following? Annotation type definition looks similar to which of the following?

1 Mark(s)

@Deprecated
@Overriden
@SafeVarags
@FunctionInterface

Which of the following is not true for Ant? Which of the following is not true for Ant?

1 Mark(s)

It is a tool box
It provides lifecycle management
It is procedural
It doesn’t have formal conventions

How private method can be called using reflection? How private method can be called using reflection?

1 Mark(s)

getDeclaredFields
getDeclaredMethods
getMethods
getFields

Does close() implicitly flush() the stream. Does close() implicitly flush() the stream.

1 Mark(s)

TRUE
FALSE
TRUE
FALSE

What is the alternative of using finally to close resource? What is the alternative of using finally to close resource?

1 Mark(s)

catch block
autocloseable interface to be implemented
try block
throw Exception

JAVA interview question set 14 : Question 1 of 30