JAVA 从数组随机获取一个元素

//先随机产生一个下标再获取元素 String random = ""; String[] doc = {"成功领取赠险", "安全到家", "已领取50万保障", "和家人团聚","在家中贴春联"}; int index = (int) (Math.random() * doc.length); random = doc[index]; 转载于:https://www.cnblogs.com/h

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