java实现文件合并与分割

[{"title":"（ 12 个子文件 31KB ） java实现文件合并与分割","children":[{"title":"java课程设计","children":[{"title":"FileUniteCut.java <span style='color:#111;'> 9.03KB </span>","children":null,"spread":false},{"title":"ReadFromFile.class <span style='color:#111;'> 1.14KB </span>","children":null,"spread":false},{"title":"FileUniteCut.class <span style='color:#111;'> 6.10KB </span>","children":null,"spread":false},{"title":"MD5HashUtil.java <span style='color:#111;'> 1.87KB </span>","children":null,"spread":false},{"title":"ReadFromFile.java <span style='color:#111;'> 982B </span>","children":null,"spread":false},{"title":"AppendToFile.java <span style='color:#111;'> 549B </span>","children":null,"spread":false},{"title":"start.bat <span style='color:#111;'> 42B </span>","children":null,"spread":false},{"title":"JubgeFileName.java <span style='color:#111;'> 1.24KB </span>","children":null,"spread":false},{"title":"1.bmp <span style='color:#111;'> 1.07MB </span>","children":null,"spread":false},{"title":"AppendToFile.class <span style='color:#111;'> 551B </span>","children":null,"spread":false},{"title":"JubgeFileName.class <span style='color:#111;'> 964B </span>","children":null,"spread":false},{"title":"MD5HashUtil.class <span style='color:#111;'> 2.06KB </span>","children":null,"spread":false}],"spread":false}],"spread":true}]