判断题Integer i = (Integer.valueOf("926")).intValue()。A对B错

判断题
Integer i = (Integer.valueOf("926")).intValue()。
A

B


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Integer i = (Integer.valueOf("926")).intValue()。

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Integer I = Integer.parseInt("926")。

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能够遍历泛型List〈Integer〉 al中的所有元素的语句是哪项?()  A、for(Integer i : al)B、for(i : al)C、for(al)D、forEach(Integer i : al)

单选题public class Test {  public static void add3 (Integer i) {  int val = i.intValue();  val += 3;  i = new Integer(val); }  public static void main(String args[]) {  Integer i = new Integer(0);  add3(i);  System.out.println(i.intValue());  }  }   What is the result? ()A 0B 3C Compilation fails.D An exception is thrown at runtime.

判断题Integer I = Integer.parseInt("926")。A对B错

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单选题设有下面两个赋值语句: a = Integer.parseInt(“1024”);  b = Integer.valueOf(“1024”).intValue( );       下述说法正确的是()Aa是整数类型变量,b是整数类对象。Ba是整数类对象,b是整数类型变量。Ca和b都是整数类对象并且它们的值相等。Da和b都是整数类型变量并且它们的值相等。