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POjava constructor order
 

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    <p>This java program is easy and full of comment,so you can understand it fast.however,why in construct staff[1],the program first go to the statement:</p> <pre><code>this("Employee #" + nextId, s); </code></pre> <p>then go to the object initialization block,and then go back to the statement,how confusion.why not it first use the object initialization block</p> <pre><code>import java.util.*; public class ConstructorTest { public static void main(String[] args) { // fill the staff array with three Employee objects Employee[] staff = new Employee[3]; staff[0] = new Employee("Harry", 40000); staff[1] = new Employee(60000); staff[2] = new Employee(); // print out information about all Employee objects for (Employee e : staff) System.out.println("name=" + e.getName() + ",id=" + e.getId() + ",salary=" + e.getSalary()); } } class Employee { // three overloaded constructors public Employee(String n, double s) { name = n; salary = s; } public Employee(double s) { // calls the Employee(String, double) constructor this("Employee #" + nextId, s); } // the default constructor public Employee() { // name initialized to ""--see below // salary not explicitly set--initialized to 0 // id initialized in initialization block } public String getName() { return name; } public double getSalary() { return salary; } public int getId() { return id; } private static int nextId; private int id; private String name = ""; // instance field initialization private double salary; // static initialization block static { Random generator = new Random(); // set nextId to a random number between 0 and 9999 nextId = generator.nextInt(10000); } // object initialization block { id = nextId; nextId++; } } </code></pre>
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    1. USdacwe
    1. UShuateng
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    1. COWhat's the problem?
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      1. USMasterCassim
    2. COSounds like you are asking why the `this` statement is executing prior to the instance initializer block. Is that correct?
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      1. USJohn B
 

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