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// 复制数组 方式一 int a[] = new int[] { 1, 2, 3 }; int b[] = new int[] { 4, 5 }; int c[] = new int[a.length + b.length]; for (int i = 0; i < c.length; i++) 阅读全文
posted @ 2021-03-28 13:34
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示例 Scanner scanner = new Scanner(System.in); System.out.println("输入nextLine"); String s1 = scanner.nextLine(); System.out.println("输入next"); String s2 阅读全文
posted @ 2021-03-28 12:16
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Scanner scanner = new Scanner(System.in); System.out.println("身高:"); float height = scanner.nextFloat(); System.out.println("体重:"); byte tizhong = sca 阅读全文
posted @ 2021-03-28 11:47
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//整型 byte b = 127;//-128~127 short s = 1;//-32768~32767 int it = 214700000;//-21亿4748万3648~21亿4748万3647 long l = 90000000000l;//-9223372036854775808~9 阅读全文
posted @ 2021-03-28 11:16
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