Java 各类型的范围

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Java 各类型的范围，留作参考

public class Test {    public static void main(String[] args) {        byte byte_max, byte_min;        short short_max, short_min;        char char_max, char_min;        int int_max, int_min;        long long_max, long_min;        float float_max, float_min;        double double_max, double_min;        byte_max = Byte.MAX_VALUE; // 127        byte_min = Byte.MIN_VALUE; // -128        short_max = Short.MAX_VALUE; // 32767        short_min = Short.MIN_VALUE; // -32768        char_max = Character.MAX_VALUE; // ?        char_min = Character.MIN_VALUE; //         int_max = Integer.MAX_VALUE; // 2147483467        int_min = Integer.MIN_VALUE; // -2147483468        long_max = Long.MAX_VALUE; // 9223372036854775807        long_min = Long.MIN_VALUE; // -9223372036854775808        float_max = Float.MAX_VALUE; // 3.4028235E38        float_min = Float.MIN_VALUE; // 1.4E-45        double_max = Double.MAX_VALUE; // 1.7976931348623157E308        double_min = Double.MIN_VALUE; // 4.9E-324        System.out.println("byte max=" + byte_max);        System.out.println("byte min=" + byte_min);        System.out.println("short max=" + short_max);        System.out.println("short min=" + short_min);        System.out.println("char max=" + char_max);        System.out.println("char min=" + char_min);        System.out.println("int max=" + int_max);        System.out.println("int min=" + int_min);        System.out.println("long max=" + long_max);        System.out.println("long min=" + long_min);        System.out.println("float max=" + float_max);        System.out.println("float min=" + float_min);        System.out.println("double max=" + double_max);        System.out.println("double max=" + double_min);    }}

运行结果如下：

这里写图片描述

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