In a switch statement _________.
举一反三
- We can use a switch statement to switch on strings.
- Which of the following statements about break statements is incorrect? A: A break statement can appear in an if statement and is used to end the if statement. B: A break statement can appear in a loop statement or a switch statement. C: A break statement can be used to exit a switch statement. D: Multiple break statements can appear in the loop body of a loop statement.
- The switch statement with different functions from the statement if (a == 1) a = b; else a ++; is ( ). A: switch(a) { case 1:a=b;break; <br/>default : a++; <br/>} B: switch(a==1) { case 0:a=b;break;<br/>case 1: a++;<br/>} C: switch(a) { default：a++;break; <br/>case 1:a=b; <br/>} D: switch(a) { default：a++;break; <br/>case 1:a=b; <br/>}
- What is the following statement about continue statement that is correct? A: When a multi-level loop is nested, all levels of the loop can be closed by using a single continue statement. B: The continue statement can be used in loops and switch statements. C: The continue statement closes the loop early to prevent it from becoming a dead loop. D: The continue statement can only be used in three loop statements.
- 要在Connection对象conn上创建Statement对象,可以使用________: Statement statement = Connection.createStatement();|Statement statement = conn.createStatement();|Statement statement = conn.statement();|Statement statement = connection.create();