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1. 1. chass Check{

2. 2. public static void main(String args[]){ 3. 3. Holder h=new Holder(); 4. 4. h.held=100; 5. 5. h.bump(h);

6. 6. System.out.println(h.held); 7. 7. } 8. 8. }. 9. 9. .

10. 10. class Holder{ 11. 11. public int held; 12. 12. public int held;

13. 13. theHolder.held++;} 14. 14. } 15. 15. } ÇëÑ¡ÔñÒ»¸öÕýÈ·´ð°¸£º £¨1£© ´òÓ¡Êä³ö0 £¨2£© ´òÓ¡Êä³ö1 £¨3£© ´òÓ¡Êä³ö100 £¨4£© ´òÓ¡Êä³ö101 ´ð°¸£º£¨4£©

95£º¸øÒÔÏ´úÂ룬ÇëÎʸóÌÐòµÄÔËÐнá¹ûÊÇʲô£¿ class Check{

public static void main(String args[]){ double d =12.3;

Decrementer dec =new Decrementer(); dec.decrement(d);

System.out.println(d); } }

class Decrementer{

public void decrement(double decMe){ decMe=decMe-1.0; } }

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£¨1£© ÎÞ·¨Ç¿ÖÆÀ¬»ø»ØÊÕÆ÷Ö´ÐС£ £¨2£© µ÷ÓÃSystem.gc()·½·¨¡£ £¨3£© µ÷ÓÃSystem.gc()·½·¨¡£ £¨4£© µ÷ÓÃRuntime.gc()·½·¨¡£ £¨5£© ½«¶ÔÏó¸³Öµnull. ´ð°¸£º£¨1£©

97£ºÇëÎÊ£¬ÒÔÏÂÄÄЩÊǶÌÐÍÊý¾ÝµÄÈ¡Öµ·¶Î§£¿ ÇëÑ¡ÔñÒ»¸öÕýÈ·´ð°¸£º £¨1£© È¡¾öÓÚÓ²¼þ»·¾³£º £¨2£© 0..215-1 £¨3£© 0..232-1 £¨4£© -(215)..215-1 £¨5£© -231..231-1 ´ð°¸£º£¨4£©

98£ºÇëÎÊ£¬ÒÔÏÂÄÄЩÊÇbyteÐÍÊý¾ÝµÄÈ¡Öµ·¶Î§£¿ ÇëÑ¡ÔñÒ»¸öÕýÈ·´ð°¸£º £¨1£© È¡¾öÓÚÓ²¼þ»·¾³¡£ £¨2£© 0..28-1 £¨3£© 0..215-1 £¨4£© -27..27-1 £¨5£© -215..215-1 ´ð°¸£º£¨4£©

99£º¸ø³öÒÔÏ´úÂ룬ÇëÎʸóÌÐòµÄÔËÐнá¹ûÊÇʲô£¿ class Example{

public static void main(String args[]){ int [] refToArray={10,11}; int var=1;

refToArray[var-1] =var= 2;

System.out.println(refToArray[0]+\ } }

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100£º¸ø³öÒÔÏ´úÂ룬ÇëÎʸóÌÐòµÄÔËÐнá¹ûÊÇʲô£¿ class Example{

public static void main(String args[]){ int var=10; int var2=20;

System.out.println(var+var2+++\ } }

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