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Java Applet图形界面计算器

直接上源码: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68...

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compareTo方法出现“无法取消引用”的错误

今天在写一个类型时,需要覆写compare方法,源代码如下: 1 2 3 4 5 6 public int compare(Object arg0, Object arg1){ Student stu0 = (Student)arg0; Student stu1 = (Student)arg1; int flag =...

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