用回溯法解决不是很麻烦的传教士和野人问题-By backtracking to solve is not very troublesome issue of missionaries and Savage

一个java的增删查改小例子（不包括任何框架），可以直接在MyEclipse布署运行，超棒-A java additions and deletions check piecemeal example (excluding any frame) can be directly deployed in MyEclipse running great! !