Java toString方法

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public class TestToString

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{

/*

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*/

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    public static void main(String[] args)

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    {

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    Employee emp = new Employee("A", "B");

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        System.out.println(emp.toString());

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        int x = 50;

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        String s = new Integer(x).toString();

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        String s1 = "" + x;

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        System.out.println(s);

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        System.out.println(s1);

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    }

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}

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class Employee

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{

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  private String lastName;

  /*来自 

   时 代 J a v a 公 众 号 - N o w J a v  a . c o m*/

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  private String firstName;

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  public Employee(String lastName, String firstName)

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  {

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    this.lastName = lastName;

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    this.firstName = firstName;

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  }

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  public String toString()

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