Introduction about example

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//  googleHash();   //Algorithm of Google, the performance is not good, but also the collision probability.
//for (int i=0;i<1000;i++)
    hashMaptest();  //No delete function, but the best performance

//for (int i=0;i<1000;i++)
    memMapTest();   //Based on memory No hard disk consumption

//diskMapTest();    //Based on the hard disk No memory consumption

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Development Manual

Three different map algorithm, used in different application scenarios.
1,memMap Based on memory No hard disk consumption.
2,diskMap Based on the hard disk No memory consumption.
3,hashMap No delete function, but the best performance.
memMap and diskMap can turn to hashMap by memMap2HashMap and diskMap2HashMap.

In addition,Provide Google HashMap for comparative test.
Algorithm of Google,the performance is not good, but also has the collision probability.