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A¡¢(a >=0 || b >= 0) && (a < 0 || b < 0) B¡¢a * b > 0

C¡¢(a + b > 0) && (a + b <= 0)

D¡¢(a >= 0 && b >= 0) && (a < 0 && b < 0)

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A¡¢$95 B¡¢_wii C¡¢3psp D¡¢break;

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abstract default if private this do implements protected throw break import public throws else instanceof return transient case extends

Boolean byte short int long float double char try catch finally final interface static void strictfp volatile class native

super while

constfor new switch null

continue goto package synchronized

19. ÔÚJAVAÓïÑÔÖУ¬ÏÂÁÐ( )ÊǺϷ¨µÄ±êʾ·û£¨Ñ¡Á½Ï

A¡¢Main B¡¢p234 C¡¢4x D¡¢short

20. ÔÚJAVAÓïÑÔÖÐ,ÏÂÁÐJAVAÓïÑÔ´úÂëµÄÑ­»·ÌåÖ´ÐеĴÎÊýÊÇ£¨Ñ¡Ò»Ï

int n=2; while(n == 0){

System.out.println(n);

18. ÔÚJavaÓïÑÔÖУ¬ÏÂÁУ¨ £©ÊǺϷ¨µÄ±êʾ·û£¨Ñ¡Á½Ï[19£¬45£¬96£¬97£¬110£¬145£¬150]

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n--; } A¡¢0 B¡¢1 C¡¢2 D¡¢3

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21. ÔÚJavaÓïÑÔÖУ¬ÏÂÁбäÁ¿¶¨ÒåºÍ¸³Öµ´íÎóµÄÊÇ£¨Ñ¡Ò»Ï

A¡¢short i=5;int j=i; B¡¢char c = \ C¡¢float f = 'c'+1; D¡¢float i=5;double d=i;

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22. ÔÚJavaÓïÑÔÖУ¬ÏÂÁбí´ïʽµÄÔËËãµÄ½á¹ûÊÇ£¨Ñ¡Ò»Ï

10/2 +5£» A¡¢5 B¡¢7 C¡¢10 D¡¢12

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23. ÔÚJavaÓïÑÔÖУ¬ÏÂÁдúÂëµÄÊä³ö½á¹ûÊÇ£¨Ñ¡Ò»Ï[35]

public static void main(String[] args) { int[] num={10,20,51,40,50}; System.out.println(num[2]); } A¡¢40 B¡¢50 C¡¢51 D¡¢60

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24. ÔÚJAVAÓïÑÔÖÐ,ÏÂÁдúÂëµÄÊä³ö½á¹ûÊÇ£¨Ñ¡Ò»Ï

public static void main(String args[]){ int i,j=0;

for(i=1;i<10;i++){ if(i%4==0)

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continue; j =i; }

System.out.println(i + \} A¡¢10,9 B¡¢3,6 C¡¢10,8 D¡¢4,10

½â´ð¹ý³Ì£º1-1 2-2 3-3 4-3 5-5 6-6 7-7 8-7 9-9 10Ñ­»·½áÊø forÑ­»·µÄÖ´ÐÐ˳ÐòÓÃÈçϱí´ïʽ£º for(expression1;expression2;expression3) {

expression4; }

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int a = 1, sum = 0; while (a< 3){ sum = sum + a; a++; }

System.out.println(sum); A¡¢2 B¡¢3 C¡¢4

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26. ÔÚJAVAÓïÑÔÖÐ,ÏÂÁдúÂëµÄÔËÐнá¹ûÊÇ£¨Ñ¡Ò»Ï

public static void main(String args[]) { int stuAge[] = {18,22,26}; int i, avgAge = 0; for(i = 0; i < 3; i++){ avgAge += stuAge[i] / 3; }

System.out.println( avgAge );

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25. ÔÚJavaÓïÑÔÖУ¬ÏÂÁдúÂëµÄÔËÐнá¹ûÊÇ£¨Ñ¡Ò»Ï

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} A¡¢0 B¡¢9 C¡¢11 D¡¢21

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27. ÔÚJAVAÓïÑÔÖУ¬ÏÂÁдúÂëÔËÐеĽá¹ûÊÇ£¨Ñ¡Ò»Ï

int a=1,b=3,c=5; if(a>b) if(b>c) c=a+b; else c=a*b;

System.out.println( a + \A¡¢1 3 5 B¡¢1 3 4 C¡¢1 3 6 D¡¢1 3 3

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A¡¢char[ ] name = new char[4]; B¡¢char[ ] name = {'S','V','S','E'}; C¡¢char[4] name = \D¡¢char[4] name = {'S','V','S','E'};

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29. ÔÚJavaÓïÑÔÖУ¬ÏÂÁйØÓÚ·½·¨µÄÓŵ㣬˵·¨´íÎóµÄÊÇ£¨Ñ¡Ò»Ï

A¡¢Í¨¹ýʹÓ÷½·¨£¬¿ÉÒÔÌṩ³ÌÐò¿ª·¢µÄЧÂÊ B¡¢Í¨¹ýʹÓ÷½·¨£¬¿ÉÒÔÌá¸ß´úÂëµÄÖØÓÃÐÔ C¡¢Í¨¹ýʹÓ÷½·¨£¬Ê¹µÃ³ÌÐòµÄά»¤±äµÃ¸´ÔÓ D¡¢Í¨¹ýʹÓ÷½·¨£¬Ê¹µÃ³ÌÐòµÄ±äµÃ¼ò¶ÌºÍÇåÎú

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