Java1 - Week2

What's the value of the below?

boolean b = (5 > 2);

• True

• False

• 5

• 2

What's the value of the below?

score = 75;

if (score >= 90.0)

System.out.print("A");

else if (score >= 80.0)

System.out.print("B");

else if (score >= 70.0)

System.out.print("C");

else if (score >= 60.0)

System.out.print("D");

else

System.out.print("F");

• A

• B

• C

• D

What's the value of below?

int Status =2;

switch (status) {

case 0: System.out.println(0);

break;

case 1: System.out.println(1);

break;

case 2: System.out.println(2);

case 3: System.out.println(3);

break;

default: System.out.println("Invalid");

System.exit(1);

}

• 2

• 3

• 2

  3

• 2

  3

  Invalid

What's the value of the below?

int x = 10;

y = (x > 15) ? 1 : -1;

System.out.println(y);

• 10

• 15

• -1

• 1

What's the output of the below?

int num = 11;

if (num % 2 == 0)

System.out.println("If is the right answer");

else

System.out.println("Else is the right answer”);

• If is the right answer

• Else is the right answer

• Runtime Error

• Compiler Error

What's the value of the below?

score = 55;

if (score >= 50.0)

System.out.print("PASS");

else

System.out.print("FAIL");

• PASS

• FAIL

• PASS FAIL

• 55

What's the value of below?

int Status =20;

switch (status) {

case 0: System.out.println(0);

break;

case 1: System.out.println(1);

break;

case 2: System.out.println(2);

break;

case 3: System.out.println(3);

break;

default: System.out.println("Invalid");

System.exit(1);

}

• 2

• 3

• 2

  3

• 2

  3

  Invalid

• Invalid

What's the output of the below program?

public static void main (String[] agrs)

{

score = 55;

if (score >= 50.0);

System.out.print("PASS");

else

System.out.print("FAIL");

}

• PASS

• FAIL

• PASS FAIL

• Logic Error

What is do-while?

• It's a conditional statement

• Condition will be checked before the execution of the loop

• Loop executed at least once then the condition will be checked

What is the output?

int count = 0;

while (count < =2) {

System.out.println("Welcome to Java");

count++;

}

• Welcome to Java

• Welcome to Java

  Welcome to Java

  Welcome to Java

• Welcome to Java Welcome to Java

• Welcome to Java

  Welcome to Java