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public class ParamTest
{
public static void main(String[] args)
{
/*
*Test 1:Methods can't modify numeric parameters
*/
System.out.println("Testing tripleValue:");
double percent = 10;
System.out.println("Before: percent =" + percent);
tripleValue(percent);
System.out.println("After: percent = " + percent);
/*
*Test 2: Methods can change the state of object
* parameters
*/
System.out.println("\nTesting tripleSalary:");
Employee harry = new Employee("Harry",50000);
System.out.println("Before: salary =" + harry.getSalary());
tripleSalary(harry);
System.out.println("After: salary =" + harry.getSalary());
/*
*Test 3: Methods can't attach new objects to
* object parameters
*/
System.out.println("\nTesting swap:");
Employee a = new Employee("Alice",70000);
Employee b = new Employee("Bob",60000);
System.out.println("Before: a &nb
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public class NodeBean implements Serializable
{
private Object data; //ÔªËØ±¾Éí
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