57 lines
1.4 KiB
Java
57 lines
1.4 KiB
Java
// housekeeping/Overloading.java
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// (c)2021 MindView LLC: see Copyright.txt
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// We make no guarantees that this code is fit for any purpose.
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// Visit http://OnJava8.com for more book information.
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// Both constructor and ordinary method overloading
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class Tree {
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int height;
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Tree() {
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System.out.println("Planting a seedling");
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height = 0;
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}
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Tree(int initialHeight) {
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height = initialHeight;
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System.out.println("Creating new Tree that is " +
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height + " feet tall");
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}
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void info() {
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System.out.println(
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"Tree is " + height + " feet tall");
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}
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void info(String s) {
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System.out.println(
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s + ": Tree is " + height + " feet tall");
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}
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}
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public class Overloading {
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public static void main(String[] args) {
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for(int i = 0; i < 5; i++) {
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Tree t = new Tree(i);
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t.info();
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t.info("overloaded method");
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}
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// Calls overloaded constructor:
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new Tree();
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}
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}
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/* Output:
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Creating new Tree that is 0 feet tall
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Tree is 0 feet tall
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overloaded method: Tree is 0 feet tall
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Creating new Tree that is 1 feet tall
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Tree is 1 feet tall
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overloaded method: Tree is 1 feet tall
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Creating new Tree that is 2 feet tall
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Tree is 2 feet tall
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overloaded method: Tree is 2 feet tall
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Creating new Tree that is 3 feet tall
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Tree is 3 feet tall
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overloaded method: Tree is 3 feet tall
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Creating new Tree that is 4 feet tall
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Tree is 4 feet tall
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overloaded method: Tree is 4 feet tall
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Planting a seedling
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*/
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