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Àý×Ó 1 public void show1(int str)
{
Str=4;
}
public static void main(String[] args) {
int k=1;
System.out.println(id);
s.show1(str);
System.out.println(id);
}
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Àý×Ó 2 public void show1(List list)
{
List.add(“dddddd”);
}
public static void main(String[] args) {
List list=new ArrayList()
System.out.println(list.size);
s.show1(list);
System.out.println(list.size);
}
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1
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Àý×Ó 3 public void show1(String str)
{
str=new String("dddddddddddddd");
}
public static void main(String[] args) {
String str=new String ("liaomin"); System.out.println(str);
s.show1(str);
System.out.println(str);
}
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liaomin
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