1. Which of this method is given parameter via command line arguments?
a) main()
b) recursive() method
c) Any method
d) System defined methods
Explanation: Only main() method can be given parameters via using command line arguments.
2. Which of these data types is used to store command line arguments?
a) Array
b) Stack
c) String
d) Integer
3. How many arguments can be passed to main()?
a) Infinite
b) Only 1
c) System Dependent
d) None of the mentioned
4. Which of these is a correct statement about args in the following line of code?
public static void main(String args[])
a) args is a String
b) args is a Character
c) args is an array of String
d) args in an array of Character
Explanation: args in an array of String.
5. Can command line arguments be converted into int automatically if required?
a) Yes
b) No
c) Compiler Dependent
d) Only ASCII characters can be converted
Explanation: All command Line arguments are passed as a string. We must convert numerical value to their internal forms manually.
6. 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]");
}
}
a) java
b) Output
c) This
d) is
7. What will be the output of the following Java program, Command line exceution is done as – “java Output This is a command Line”?
class Output
{
public static void main(String args[])
{
System.out.print("args[3]");
}
}
a) java
b) is
c) This
d) command
8. 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");
}
}
a) This
b) java Output This is a command Line
c) This is a command Line
d) Compilation Error
9. 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”?
class Output
{
public static void main(String args[])
{
System.out.print("(int)args[2] * 2");
}
}
a) java
b) 10
c) 20
d) b
10. 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”?
class Output
{
public static void main(String args[])
{
System.out.print("args[6]");
}
}
a) java
b) 10
c) b
d) N