问题:
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.printIn (i.intValue ( ) );
}
What is the result?()
A . Compilation will fail.
B . The program prints “0”.
C . The program prints “3”.
D . Compilation will succeed but an exception will be thrown at line 3.
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.printIn (i.intValue ( ) );
}
What is the result?()
● 参考解析
本题暂无解析
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