What will be the output of the following Java snippet, if attempted to compile and run this code with command line argument “java abc Rakesh Sharma”?

Compilation and output Rakesh :-Please pay Rs.2000

Compilation and output Sharma :-Please pay Rs.2000

What will be the output of the following Java snippet, if attempted to compile and execute?

The snippet compiles and runs but does not print anything

The snippet compiles, runs and prints 0

The snippet compiles, runs and prints 1

What will be the output of the following Java code snippet running with “java demo I write java code”?

The snippet compiles, runs and prints “I code”

The snippet compiles, runs and prints “java code”

The snippet compiles, runs and prints “demo code”

The snippet compiles, runs and prints “java demo”

Which one of these lists contains only Java programming language keywords?

goto, instanceof, native, finally, default, throws

class, if, void, long, Int, continue

try, virtual, throw, final, volatile, transient

strictfp, constant, super, implements, do

byte, break, assert, switch, include

Which of these is necessary condition for automatic type conversion in Java?

The destination type is larger than source type

The destination type is smaller than source type

The destination type can be larger or smaller than source type

Of the following if statements, which one correctly executes three instructions if the condition is true?

if (x <0) { a = b*2; y = x; z = a - y; }

if (x < 0) a = b * 2; y = x; z = a – y;

{ if (x <0) a = b*2; y=x; z=a-y; }

if { (x < 0) a = b * 2; y = x; z = a – y; }

Which of the sets of statements below will add 1 to x if x is positive and subtract 1 from x if x is negative but leave x alone if x is 0?

if (x > 0) x++; else if (x < 0) x--;

if (x > 0) x++; if (x < 0) x--; else x = 0;

if (x == 0) x = 0; else x++; x--;

Consider the above code that will assign a letter grade of ‘A’, ‘B’, ‘C’, ‘D’, or ‘F’ depending on a student’s test score.

This code will work correctly only if grade < 70

This code will work correctly in all cases

This code will work correctly only if grade >= 60

This code will work correctly only if grade < 60

Assume that count is 0, total is 20 and max is 1. The above statement will do which of the following?

The condition short circuits and the assignment statement is not executed

The condition short circuits and the assignment statement is executed without problem

The condition does not short circuit causing a division by zero error

The condition short circuits so that there is no division by zero error when evaluating the condition, but the assignment statement causes a division by zero error

What is wrong, logically, with the following code?if (x > 10) System.out.println("Large");else if (x > 6 && x <= 10) System.out.println("Medium");else if (x > 3 && x <= 6) System.out.println("Small");else System.out.println("Very small");

There is no logical error, but there is no need to have (x <= 10) in the second conditional or (x <= 6) in the third conditional

There is no logical error, but there is no need to have (x > 6) in the second conditional or (x > 3) in the third conditional

The logical error is that no matter what value x is, “Very small” is always printed out

The logical error is that no matter what value x is, “Large” is always printed out

Consider the above outline of a nested if-else structure which has more if clauses than else clauses. Which of the statements below is true regarding this structure?

statement2 will only execute if condition1 is false and condition2 is false

syntactically it is invalid to have more if clauses than else clauses

statement2 will only execute if condition1 is true and condition2 is false

statement2 will only execute if condition1 is false, it does not matter what condition2 is

Assume that x and y are int variables with x = 5, y = 3, and a and d are char variables with a = 'a' and d = 'A', and examine the above conditions:

Conditions 2, 3 and 4 are all true, Condition 1 is not

Condition 2 and Condition 4 are true only

If x is an int where x = 1, what will x be after the above loop terminates?

None of the above, this is an infinite loop

If x is an int where x = 0, what will x be after the following loop terminates?

None of the above, this is an infinite loop

Given two String variables, s1 and s2, to determine if they are the same length, which of the following conditions would you use?

(s1.length( ).equals(s2.length( ))

Given a String, s, which is assumed to have at least one character in it, which of the following conditions would determine if the first character of the String is the same as the last character?

(s.charAt(0) == s.charAt(s.length( ) - 1))

(s.charAt(0) == s.charAt(s.length( )))

(s.charAt(1) == s.charAt(s.length( )))

(s.charAt(0) == s.charAt(s.length( ) + 1))

Java Fundamentals

Authored by SrinivasaRao SrinivasaRao

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Professional Development

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Command to compile the Java program

java

javac

javap

javadoc

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

command to run the java program

javac

javap

javadoc

java

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

main()

recursive() method

Any method

System defined methods

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

Array

Stack

String

Integer

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many arguments can be passed to main()?

Infinite

Only 1

System Dependent

None of the mentioned

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

Yes

Compiler Dependent

Only ASCII characters can be converted

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Java Fundamentals

Command to compile the Java program

command to run the java program

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

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

How many arguments can be passed to main()?

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

public static void main(String args[])

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

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]");
}
}

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]");
}
}

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”?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Computers

Java Fundamentals

Command to compile the Java program

command to run the java program

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

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

How many arguments can be passed to main()?

Which of these is a correct statement about args in the following line of code?public static void main(String args[])

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

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]"); } }

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]");}}

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”?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Computers

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

public static void main(String args[])

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]");
}
}

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]");
}
}