Quiz – JAVA – LearnKartS

Misc

1 / 5

What will be the output of below code:

                    
class output
{
public static void main(String args[])
{
String c = "Hello i love java";
boolean var;
var = c.startsWith("hello");
System.out.println(var);
}
}

a. 1

b. 0

c. True

d. False

2 / 5

What will be the output of below code:

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class increment {
public static void main(String args[])
{
int i = 5;
System.out.print(++i * 4);
}
}

a. 25

b. 20

c. 24

d. 21

3 / 5

What will be the output of below code:

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class output
{
public static void main(String args[])
{
StringBuffer s1 = new StringBuffer("Quiz");
StringBuffer s2 = s1.reverse();
System.out.println(s2);
}
}

a. Quiz

b. ziuQ

c. QuizziuQ

d. ziuQQuiz

4 / 5

What will be the output of below code:

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class String_demo
{
public static void main(String args[])
{
char chars[] = {'a', 'b', 'c'};
String s = new String(chars);
System.out.println(s);
}
}

a. b

b. c

c. a

d. abc

5 / 5

What will be the error in the following Java code?

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byte b = 50;
b = b * 50;

a. b cannot contain value 50

b. No error in this code

c. b cannot contain value 100, limited by its range

d. * operator has converted b * 50 into int, which can not be converted to byte without casting

Your score is

The average score is 48%

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