else if Statements Practice

Sample questions

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1. Sample 1difficulty 2/5

   int score = 75;
   if (score >= 90) {
     System.out.println("A");
   } else if (score >= 80) {
     System.out.println("B");
   } else if (score >= 70) {
     System.out.println("C");
   } else {
     System.out.println("F");
   }

   What is printed?

   • A

     C

     check_circle
   • B

     B

   • C

     F

   • D

     A

   Why

   score is 75. The first two conditions (>=90, >=80) fail. The third (>=70) is true, so "C" is printed and the rest of the chain is skipped.

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2. Sample 2difficulty 3/5

   int score = 95;
   if (score >= 70) {
     System.out.println("C");
   }
   if (score >= 80) {
     System.out.println("B");
   }
   if (score >= 90) {
     System.out.println("A");
   }

   What is printed (each on its own line)?

   • A

     C, B, A on three lines

     check_circle
   • B

     A only

   • C

     C only

   • D

     A, B, C on three lines

   Why

   These are three separate if statements (not else if). All three conditions are true for score 95, so "C", "B", and "A" all print in that order.

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3. Sample 3difficulty 3/5

   For grade computation, after <code>if (g >= 90)</code> returns A, the next <code>else if (g >= 80)</code> should have what condition?

   • A

     g == 80

   • B

     g >= 80 && g < 90 (redundant)

   • C

     g >= 80 (suffices because earlier branch caught >= 90)

     check_circle
   • D

     g >= 80 || g < 90

   Why

   Cascading else-if eliminates the need for explicit upper bound.

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4. Sample 4difficulty 3/5

   For <code>int x = 5;</code>:

   <code>if (x > 10) System.out.println("A"); else if (x > 0) System.out.println("B"); else System.out.println("C"); </code></pre> What is printed?

   • A

     B

     check_circle
   • B

     A B

   • C

     A

   • D

     C

   Why

   5 > 10 false; 5 > 0 true → "B" prints; else doesn't run.

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