if else conditionals

What will be the output of the following code?

public class Main

{

  public static void main(String[] args) {

if(5<4)

      System.out.println("Hi");

else

      System.out.println("Hello");

  }

}

• Hi

• Hello

• Compiled Successfully, No Output.

• Compile-time error

What will be the output of the following code?

public class Main

{

  public static void main(String[] args) {

int a = 25;

if(a < 5)

      System.out.println("Hi");

if(a < 20)

   System.out.println("Hello");

else

      System.out.println("Hola");

  }

}

• Hi

• Hello

• Hola

• Compile-time error

What does the following code print when x has been set to 187?

if (x < 0)

{

   System.out.println("x is negative");

}

else if (x == 0)

{

    System.out.println("x is zero");

}

else

{

    System.out.println("x is positive");

}

• x is zero

• x is negative

• x is positive

• none of the mentioned

What is the value of grade when the following code executes and score is 80?

if (score >= 90) grade = "A";

if (score >= 80) grade = "B";

if (score >= 70) grade = "C";

if (score >= 60) grade = "D";

else grade = "E";

• A

• B

• C

• D

Answer explanation

Each of the if statements will be executed. So grade will be set to B then C and finally D.

  An else statement should be preceded by?

• if statement only

• else if statement only

• either if or else if statement

• none of the mentioned