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7.3 Ap0030: self-assessment, relational operators, increment operator  (Page 3/9)

Answer and Explanation

Question 11

What output is produced by the program shown in Listing 11 ?

  • A. Compiler Error
  • B. Runtime Error
  • C. 0 1 2 3 4
  • D. 1 2 3 4 5
  • E. None of the above
Listing 11 . Listing for Question 11.
public class Ap035{ public static void main(String args[]){new Worker().doLoop(); }//end main()}//end class definition class Worker{public void doLoop(){ int cnt = 0;while(cnt<5){ cnt++;System.out.print(cnt + " "); cnt++;}//end while loop System.out.println("");}//end doLoop() }//end class definition

Answer and Explanation

Question 12

What output is produced by the program shown in Listing 12 ?

  • A. Compiler Error
  • B. Runtime Error
  • C. 0 1 2 3 4 5
  • D. 1 2 3 4 5 5
  • E. None of the above
Listing 12 . Listing for Question 12.
public class Ap036{ public static void main(String args[]){new Worker().doLoop(); }//end main()}//end class definition class Worker{public void doLoop(){ int cnt;for(cnt = 0; cnt<5; cnt++){ System.out.print(cnt + " ");}//end for loop System.out.println(cnt + " ");}//end doLoop() }//end class definition

Answer and Explanation

Question 13

What output is produced by the program shown in Listing 13 ?

  • A. Compiler Error
  • B. Runtime Error
  • C. 0 1 2 3 4 5
  • D. 1 2 3 4 5 5
  • E. None of the above
Listing 13 . Listing for Question 13.
public class Ap037{ public static void main(String args[]){new Worker().doLoop(); }//end main()}//end class definition class Worker{public void doLoop(){ for(int cnt = 0; cnt<5; cnt++){ System.out.print(cnt + " ");}//end for loop System.out.println(cnt + " ");}//end doLoop() }//end class definition

Answer and Explanation

Question 14

What output is produced by the program shown in Listing 14 ?

  • A. Compiler Error
  • B. Runtime Error
  • C. 0 1 2 3 3
  • D. 0 1 2 3 4
  • E. None of the above
Listing 14 . Listing for Question 14.
public class Ap037{ public static void main(String args[]){new Worker().doLoop(); }//end main()}//end class definition class Worker{public double doLoop(){ for(int cnt = 0; cnt<5; cnt++){ System.out.print(cnt + " ");if(cnt == 3){ System.out.println(cnt);return cnt; }//end if}//end for loop //return 3.5;}//end doLoop() }//end class definition

Answer and Explanation

Question 15

What output is produced by the program shown in Listing 15 ?

  • A. Compiler Error
  • B. Runtime Error
  • C. 0 1 2 3 3
  • D. 0 1 2 3 4
  • E. None of the above
Listing 15 . Listing for Question 15.
public class Ap038{ public static void main(String args[]){new Worker().doLoop(); }//end main()}//end class definition class Worker{public void doLoop(){ for(int cnt = 0; cnt<5; cnt++){ System.out.print(cnt + " ");if(cnt == 3){ System.out.println(cnt);return; }//end if}//end for loop }//end doLoop()}//end class definition

Answer and Explanation

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OpenStax, Object-oriented programming (oop) with java. OpenStax CNX. Jun 29, 2016 Download for free at https://legacy.cnx.org/content/col11441/1.201
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