60 lines
1.1 KiB
Java
60 lines
1.1 KiB
Java
//: reuse/Bath.java
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// ©2015 MindView LLC: see Copyright.txt
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// Constructor initialization with composition.
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import static com.mindviewinc.util.Print.*;
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class Soap {
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private String s;
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Soap() {
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print("Soap()");
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s = "Constructed";
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}
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@Override
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public String toString() { return s; }
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}
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public class Bath {
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private String // Initializing at point of definition:
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s1 = "Happy",
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s2 = "Happy",
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s3, s4;
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private Soap castille;
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private int i;
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private float toy;
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public Bath() {
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print("Inside Bath()");
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s3 = "Joy";
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toy = 3.14f;
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castille = new Soap();
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}
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// Instance initialization:
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{ i = 47; }
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@Override
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public String toString() {
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if(s4 == null) // Delayed initialization:
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s4 = "Joy";
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return
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"s1 = " + s1 + "\n" +
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"s2 = " + s2 + "\n" +
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"s3 = " + s3 + "\n" +
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"s4 = " + s4 + "\n" +
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"i = " + i + "\n" +
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"toy = " + toy + "\n" +
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"castille = " + castille;
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}
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public static void main(String[] args) {
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Bath b = new Bath();
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print(b);
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}
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} /* Output:
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Inside Bath()
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Soap()
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s1 = Happy
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s2 = Happy
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s3 = Joy
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s4 = Joy
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i = 47
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toy = 3.14
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castille = Constructed
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*///:~
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