Java 基本数据类型最大极限和最小极限
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2022-05-20 17:51:27
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想知道 Java 基本数据类型最大极限和最小极限,写个小程序就很容易知道。
测试 Integer, Long, Float 和 Double 的最大值和最小值,代码如下:
- public static void main(String[] args)
- {
- System.out.println("Integer.MIN_VALUE = " + Integer.MIN_VALUE);
- System.out.println("Integer.MAX_VALUE = " + Integer.MAX_VALUE);
- System.out.println("Long.MIN_VALUE = " + Long.MIN_VALUE);
- System.out.println("Long.MAX_VALUE = " + Long.MAX_VALUE);
- System.out.println("Float.MIN_VALUE = " + Float.MIN_VALUE);
- System.out.println("Float.MIN_NORMAL = " + Float.MIN_NORMAL);
- System.out.println("Float.MAX_VALUE = " + Float.MAX_VALUE);
- System.out.println("Double.MAX_VALUE = " + Double.MAX_VALUE);
- System.out.println("Double.MIN_VALUE = " + Double.MIN_VALUE);
- }
输结果如下:各位自己看吧:
Integer.MIN_VALUE = -2147483648
Integer.MAX_VALUE = 2147483647
Long.MIN_VALUE = -9223372036854775808
Long.MAX_VALUE = 9223372036854775807
Float.MIN_VALUE = 1.4E-45
Float.MIN_NORMAL = 1.17549435E-38
Float.MAX_VALUE = 3.4028235E38
Double.MAX_VALUE = 1.7976931348623157E308
Double.MIN_VALUE = 4.9E-324
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