R4RIN – MCQs, Mock Tests | Java DATA TYPES IN JAVA

Smallest Data Type in Java

1. long
2. short
3. byte
4. short long

✅ Correct Answer: 3

What is rang of byte?

1. -128 to 127
2. 32768 to 32767
3. -64 to -63
4. 16 to -15

✅ Correct Answer: 1

What is rang of short?

1. -32768 to 32767
2. -2147,483,648 to 2147,483,647
3. -128 to 127
4. -64 to 63

✅ Correct Answer: 1

What is rang of int ?

1. -2147,483,648 to 2147,483,647
2. 32768 to 32767
3. -128 to 127
4. -64 to 63

✅ Correct Answer: 1

Minimum BYTES for float in Java?

1. 2
2. 1
3. 5
4. 4

✅ Correct Answer: 4

Minimum bytes for double in java?

1. 16
2. 32
3. 64
4. 8

✅ Correct Answer: 4

if(z=0) not supported in ?

1. Java
2. C
3. C++
4. None

✅ Correct Answer: 1

Which can use in logical conditions e.g. in if () in java ?

1. true /false
2. 0/1
3. both
4. None

✅ Correct Answer: 1

16-bit unicode character minimum value is ?

1. u0000
2. u0001
3. u11111
4. 0

✅ Correct Answer: 1

FFFF is equal to ?

1. 65,535
2. 128
3. 64
4. None

✅ Correct Answer: 1