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1mysqlºÍ oracleµÄÇø±ðÔÚ¼¼ÊõÉÏ?
one is big, one is small...
2arraylistµ½µ×ÄÜ´æ¶àÉÙ
make a circulate for:
ArrayList al = new ArrayList();
for(int i = 0;;){
  al.add("1");
  System.out.println(i++);  //not cosidering about overfloat
}
ps: I consider it's about the configuration of jvm....


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