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public class TestMain {
public static void main(String[] args) {
Test t1 = new Test();
t1.setNum(10d);
new Test2(t1);
}
}
class Test2{
public Test2(Test t1) {
StringBuffer str = new StringBuffer();
str.append("***").append(t1.getNum().doubleValue());
System.out.println(str);
}
}
class Test {
private Double num;
public Double getNum() {
return num;
}
public void setNum(Double num) {
this.num = num;
}
}