58 lines
1.5 KiB
Java
58 lines
1.5 KiB
Java
// housekeeping/Overloading.java
|
|
// (c)2016 MindView LLC: see Copyright.txt
|
|
// We make no guarantees that this code is fit for any purpose.
|
|
// Visit http://mindviewinc.com/Books/OnJava/ for more book information.
|
|
// Demonstration of both constructor
|
|
// and ordinary method overloading.
|
|
|
|
class Tree {
|
|
int height;
|
|
Tree() {
|
|
System.out.println("Planting a seedling");
|
|
height = 0;
|
|
}
|
|
Tree(int initialHeight) {
|
|
height = initialHeight;
|
|
System.out.println("Creating new Tree that is " +
|
|
height + " feet tall");
|
|
}
|
|
void info() {
|
|
System.out.println(
|
|
"Tree is " + height + " feet tall");
|
|
}
|
|
void info(String s) {
|
|
System.out.println(
|
|
s + ": Tree is " + height + " feet tall");
|
|
}
|
|
}
|
|
|
|
public class Overloading {
|
|
public static void main(String[] args) {
|
|
for(int i = 0; i < 5; i++) {
|
|
Tree t = new Tree(i);
|
|
t.info();
|
|
t.info("overloaded method");
|
|
}
|
|
// Overloaded constructor:
|
|
new Tree();
|
|
}
|
|
}
|
|
/* Output:
|
|
Creating new Tree that is 0 feet tall
|
|
Tree is 0 feet tall
|
|
overloaded method: Tree is 0 feet tall
|
|
Creating new Tree that is 1 feet tall
|
|
Tree is 1 feet tall
|
|
overloaded method: Tree is 1 feet tall
|
|
Creating new Tree that is 2 feet tall
|
|
Tree is 2 feet tall
|
|
overloaded method: Tree is 2 feet tall
|
|
Creating new Tree that is 3 feet tall
|
|
Tree is 3 feet tall
|
|
overloaded method: Tree is 3 feet tall
|
|
Creating new Tree that is 4 feet tall
|
|
Tree is 4 feet tall
|
|
overloaded method: Tree is 4 feet tall
|
|
Planting a seedling
|
|
*/
|