Java练习题1（有答案）(3)

第 43题 The following code displays ___________. double temperature = 50; if (temperature >= 100)

System.out.println(\hot\else if (temperature <= 40) System.out.println(\cold\

System.out.println(\ 1、 too hot 2、 too cold 3、 just right

4、 too hot too cold just right 答案 3 第 44题 Analyze the following code: Code 1: boolean even

=

even; true;

if else

(number % 2 == 0) even = false; Code 2:

boolean even = (number % 2 == 0); 1、 Code 1 has compile errors. 2、 Code 2 has compile errors.

3、 Both Code 1 and Code 2 have compile errors.

4、 Both Code 1 and Code 2 are correct, but Code 2 is better. 答案 4 第 45题 The __________ method immediately terminates the program.

1、 System.terminate(0); 2、 System.halt(0);

3、 System.exit(0); 4、 System.stop(0); 答案 3 第 46题 What is the printout of the following switch statement? char ch = a ; switch case A :

System.out.print(ch); break; case b : case B :

(ch)

{ case a :