JAVA JAVA Library Classes MCQ Questions

Byte

Long

Float

Integer a=new (5);

Integer a=Integer(5);

Integer a=new Integer(5);

int a=Integer(s);

int a=(int)s;

int a=parseInt(s);

Character c=new Character(“c”);

Both a and b

None of these

toLowerCase()

toUpperCase()

parseInt()

java.util

java.awt

None of these

Number

Both a and b

None of these

Unboxing

Type Casting

All of these

isTab()

isTabSpace()

isSpace()

Print

PrintStream

Println

nextInt()

nextDecimal()

nextPoint()

java.util

Both a and b

None of these

System

String

Math

Math.absoulute( )

Math.neutral( )

Math.positive( )

Math.abs(a)*a

Math.ceil(a) / Math.floor(a)

None of these

Math.floor( )

Math.random( )

All of these

double

int

long

5+(int)(Math.random()*10)

5+Math.random()*6

5+Math.random()*10

Math.cbrt(a);

Math.pow(a,1/2)

Math.

-3.0

3.0

None of these