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【笔记】Java指定数字位数
source link: https://feiju12138.github.io/2022/07/29/Java%E6%8C%87%E5%AE%9A%E6%95%B0%E5%AD%97%E4%BD%8D%E6%95%B0/
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【笔记】Java指定数字位数
2022-07-29
1
Java指定数字位数为固定的长度，如果不足，前面用0补齐
通过String
<num>：数值
0：要补的字符4：字符串长度d：整数类型
String.format("%04d", <num>);
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