[{"title":"( 2 个子文件 965B ) 只用三行代码就从一千个数字随机选出了一百个不同的数字!","children":[{"title":"Swap.java <span style='color:#111;'> 669B </span>","children":null,"spread":false},{"title":"RandomNum.java <span style='color:#111;'> 580B </span>","children":null,"spread":false}],"spread":true}]