Arrays & Strings

Which of these operators is used to allocate memory to array variable in Java?

• malloc

• alloc

• new

• new malloc

Which of these is an incorrect Statement?

• It is necessary to use new operator to initialize an array.

• Array can be initialized using comma separated expressions surrounded by square braces.

• Array can be initialized when they are declared.

• None of the mentioned

Which of these is necessary to specify at time of array initialization?

• Row

• Column

• Both Row and Column

• None of the mentioned

What is the output of this program?

• 1 3 5 7 9

• 0 2 4 6 8

• 0 1 2 3 4 5 6 7 8 9

• 1 2 3 4 5 6 7 8 9 10

What is the output of this program?

• 11

• 10

• 13

• 14

What is the output of this program?

• 3

• 0

• 6

• 1

What is the output of this program?

• 1 2 3 4 5 6 7 8 9 10

• 0 1 2 3 4 5 6 7 8 9 10

• i j k l m n o p q r

• i i i i i i i i i i

What is the output of this program?

• 8

• 9

• 10

• 11

String in Java is a?

• class

• object

• variable

• character array

Which of these method of String class is used to obtain character at specified index?

• char()

• Charat()

• charat()

• charAt()