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package p1;
public class Book {
public static void main(String[] args) {
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p2.Paper(); //line 5
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}
}
Paper.java
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package p2;
public class Paper {
public
void helloworld(){
System.out.println("HelloWorld");
}
}
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Book.java
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package p1;
import p2.Paper; //line 2
public class Book {
public static void main(String[] args) {
Paper p = new Paper(); //line 5
p.helloworld();
}
}
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package ch02;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
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String name;
String age;
public User(String name,String age){
this.name=name;
this.age=age;
}
public String getAge() {
return age;
}
public void setAge(String age) {
this.age = age;
}
public String getName() {
return name;
}
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