java中integer.max_value
时间: 2023-04-24 14:00:52 浏览: 172
Java中的integer.max_value是一个常量,表示整型变量的最大值,即2的31次方减1。在Java中,整型变量的取值范围为-2的31次方到2的31次方减1,而integer.max_value就是这个范围中的最大值。
相关问题
java.lang.Math.abs(Integer.MAX_VALUE + 1)等于Integer.MIN_VALUE
这是错误的。在Java中,`Math.abs()`方法返回一个数的绝对值,即该数的非负值。`Math.abs(Integer.MAX_VALUE - 1)`的结果将是`Integer.MAX_VALUE - 1`的绝对值。由于`Integer.MAX_VALUE`是`int`类型的最大值,因此它的绝对值仍然是`Integer.MAX_VALUE`。所以,这个表达式的结果应该是`Integer.MAX_VALUE - 1`而不是`Integer.MIN_VALUE`。
javaint max = Integer.MIN_VALUE;
这段代码是错误的,因为Java中的数据类型和变量名应该用空格分隔开,变量名不能以Java关键字开头。正确的写法应该是:
```java
int max = Integer.MIN_VALUE;
```
其中,int是Java中的整数类型关键字,max是变量名,Integer.MIN_VALUE表示int类型的最小值(-2147483648),意思是将max的初始值设置为int类型的最小值。
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