Java Fundamentals

Command to compile the Java program

• java

• javac

• javap

• javadoc

command to run the java program

• javac

• javap

• javadoc

• java

Which of this method is given parameter via command line arguments?

• main()

• recursive() method

• Any method

• System defined methods

Which of these data types is used to store command line arguments?

• Array

• Stack

• String

• Integer

How many arguments can be passed to main()?

• Infinite

• Only 1

• System Dependent

• None of the mentioned

Which of these is a correct statement about args in the following line of code?

public static void main(String args[])

• args is a String

• args is a Character

• args is an array of String

• args in an array of Character

Can command line arguments be converted into int automatically if required?

• Yes

• No

• Compiler Dependent

• Only ASCII characters can be converted

What will be the output of the following Java program, Command line execution is done as – “java Output This is a command Line”?

class Output

{

public static void main(String args[])

{

System.out.print("args[0]");

}

}

• java

• Output

• is

• This

What will be the output of the following Java program, Command line execution is done as – “java Output This is a command Line”?

class Output

{

public static void main(String args[])

{

System.out.print("args[3]");

}

}

• a

• command

• is

• This

What will be the output of the following Java program, Command line execution is done as – “java Output command Line 10 A b 4 N”?

• java

• 10

• 20

• b