Technical Training Test for III BTech - VCE - CSE

What is the output of Java code snippet below?

short p = 1;

short k = p + 2;

System.out.println(k);

• 1

• 2

• 3

• Compiler error

What is the output of the Java code snippet?

int a=5, b=10, c=15;

a -= 3;

b *= 2;

c /= 5;

System.out.println(a +" " + b + " " + c);

• 2 20 3

• 2 20 5

• 2 10 5

• -2 20 3

Between Postfix and Prefix arithmetic operators in Java, which operators have more priority?

• Postfix operators have more priority than Prefix operators

• Prefix operators have more priority than Postfix operators

• Both Prefix and Postfix operators have equal priority

• None of the above

Output of the following code snippet (JAVA)?

class Main {

public static void main(String args[]) {

int t;

System.out.println(t);

}

}

• 0

• Garbage value

• Compiler error

• Runtime error

Output of the code snippet

• Hello

• Empty Output

• Compile time error

• Runtime error

What is the output (JAVA)?

• 0

• 1

• True

• False

What is the error in this code(JAVA)?

byte b = 50;

b = b * 50;

• b can not contain value 100, limited by its range.

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

• b can not contain value 50.

• No error in this code

What will be the output of the following program(JAVA)?

• a and x 270 14

  b and a 128.128 128

  b and x 128.128 -128

• a and x 270 14

  b and x 128.128 -128

  b and a 128.128 128

• a and x 270.0 14.0

  b and a 128.128 128

  b and x 128.128 -128

• Compilation Error or Runtime Error

What is Truncation is Java?

• Floating-point value assigned to an integer type.

• Integer value assigned to floating type.

• Floating-point value assigned to an Floating type.

• Integer value assigned to floating type.

What will be the output of the following code snippet(JAVA)?

• Error

• 15

• 25

• NO output