What is the result(switch and fall-through)? : Questions « Statements « SCJP

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SCJP » Statements » Questions

5.17.43.What is the result(switch and fall-through)?

public class MainClass{

  static int x = 7;



  public static void main(String[] args) {

    String s = "";

    for (int y = 0; y < 3; y++) {

      x++;

      switch (x) {

      case 8:

        s += "8 ";

      case 9:

        s += "9 ";

      case 10: {

        s += "10 ";

        break;

      }

      default:

        s += "d ";

      case 13:

        s += "13 ";

      }

    }

    System.out.println(s);

  }



  static {

    x++;

  }

}

5.17.Questions
	5.17.1.	What Java statement is used to completely abort the execution of a loop?
	5.17.2.	Answer: abort the execution of a loop
	5.17.3.	What is the output from the following code(continue and break)?
	5.17.4.	Answer: continue and break
	5.17.5.	What can be thrown by a throw statement?
	5.17.6.	Answer: throw statement
	5.17.7.	What can be caught for the following types?
	5.17.8.	Answer: caught type
	5.17.9.	finally clause of a try-catch-finally is only executed after a catch clause has executed(True/False).
	5.17.10.	Answer: try-catch-finally
	5.17.11.	finally clause of a try-catch-finally is only executed if a catch clause has not executed(True/False).
	5.17.12.	Answer: finally
	5.17.13.	finally clause of a try-catch-finally is always executed unless its thread terminates(True/False).
	5.17.14.	Answer: finally(2)
	5.17.15.	finally clause of a try-catch-finally is only executed if an exception is thrown(True/False).
	5.17.16.	Answer: finally(3)
	5.17.17.	What is the output from the following code(throw exception)?
	5.17.18.	Answer: throw exception
	5.17.19.	What is the output from the following code(nested try statement)?
	5.17.20.	Answer: nested try statement
	5.17.21.	What is the result(nested for loop and break)?
	5.17.22.	Answer: nested for loop and break
	5.17.23.	What is the result(throw exception in try block)?
	5.17.24.	Answer: throw exception in try block
	5.17.25.	What is the result(break and label)?
	5.17.26.	Answer: break and label
	5.17.27.	What is the result(try...catch)?
	5.17.28.	Answer: try...catch
	5.17.29.	Which could be used to create an appropriate catch block?
	5.17.30.	Answer: catch block
	5.17.31.	It is appropriate to use assertions to validate arguments to methods marked public(True/False)
	5.17.32.	Answer: assertion
	5.17.33.	It is appropriate to catch and handle assertion errors(True/False)
	5.17.34.	Answer: assertion and catch clause
	5.17.35.	It is NOT appropriate to use assertions to validate command-line arguments(True/False)
	5.17.36.	Answer: assertion and commandline
	5.17.37.	It is appropriate to use assertions to generate alerts when you reach code that should not be reachable(True/False)
	5.17.38.	Answer: assertion and unreachable code
	5.17.39.	Which, inserted independently at XXX, compiles?
	5.17.40.	Answer: for loop and hanced for loop
	5.17.41.	What is the result(nested try /catch blocks)?
	5.17.42.	Answer: nested try /catch blocks
	5.17.43.	What is the result(switch and fall-through)?
	5.17.44.	Answer: switch and fall-through

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