OOPS Live Quiz

Odd man out.

• peek

• element

• top

We can create object for interface.

• TRUE

• FALSE

A class can implement interface having same method name but different return type.

• Yes

• No

Which of these class is superclass of String and StringBuffer class?

• java.Lang

• java.lang

• java.util

• ArrayList

Which of the following events are not there in java fx?

• Mouse Event

• Keyboard Event

• Drag Event

• None of these

Which package contains Date/Time?

• java.timedate

• java.util.time

• java.time

• java.util.calender

Match the following

octal (base 8) ---- 0b10010; (1)

hexadecimal (base 16) ---- 0x2F; (2)

binary (base 2) ---- 027; (3)

• Octal - 3

  Hexadecimal - 2

  Binary - 1

• Octal - 1

  Hexadecimal - 3

  Binary - 2

• Octal - 3

  Hexadecimal - 1

  Binary - 2

• Octal - 2

  Hexadecimal - 3

  Binary - 1

Which of these method of class String is used to extract a single character from a String object?

• CHARAT()

• charat()

• charAt()

• Charat()

A class can implement how many interfaces.

• 1

• 2

• Many

• 100

Which of these method of class String is used to compare two String objects for their equality?

• equals()

• Equals()

• isequal()

• isEqual()