20165236 2017-2018-2 "Java programming" pair programming exercises _ arithmetic

20165236 2017-2018-2 "Java programming" pair programming exercises _ arithmetic

Pair group: Ye Shi, Guo Jintao

First, demand analysis:

1, can randomly generate N road arithmetic topic, n by user input;

2, support a variety of operators;

3, can calculate the correct rate;

4, can correctly handle the case of the parentheses and output the correct results of the operation.

Second, design ideas:

Randomly generated arithmetic topics have a dedicated input amount, can calculate the value of the problem, compare input volume and memory value.

Third, the pair study Photo:

20165236 2017-2018-2 "Java programming" pair programming exercises _ arithmetic