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2. 1. 3. 原始和参考数据默认值 |
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Type | Default Value | boolean | false | byte | 0 | short | 0 | int | 0 | long | 0L | char | \u0000 | float | 0.0f | double | 0.0d | object reference | null |
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public class ClassInitializer1 {
static boolean bool;
static byte by;
static char ch;
static double d;
static float f;
static int i;
static long l;
static short sh;
static String str;
public static void main(String[] args) {
System.out.println("bool = " + bool);
System.out.println("by = " + by);
System.out.println("ch = " + ch);
System.out.println("d = " + d);
System.out.println("f = " + f);
System.out.println("i = " + i);
System.out.println("l = " + l);
System.out.println("sh = " + sh);
System.out.println("str = " + str);
}
}
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