没有PACKAGE // From 'Thinking in Java, 3rd ed.' (c) Bruce Eckel 2002 // www.BruceEckel.com. See copyright notice in CopyRight.txt. import com.bruceeckel.simpletest.*; import java.util.*;class Tree { int height; Tree() { System.out.println("Planting a seedling"); height = 0; } Tree(int i) { System.out.println("Creating new Tree that is " + i + " feet tall"); height = i; } 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 { static Test monitor = new Test(); 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(); monitor.expect(new String[] { "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" }); } } ///:~
// From 'Thinking in Java, 3rd ed.' (c) Bruce Eckel 2002
// www.BruceEckel.com. See copyright notice in CopyRight.txt.
import com.bruceeckel.simpletest.*;
import java.util.*;class Tree {
int height;
Tree() {
System.out.println("Planting a seedling");
height = 0;
}
Tree(int i) {
System.out.println("Creating new Tree that is "
+ i + " feet tall");
height = i;
}
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 {
static Test monitor = new Test();
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();
monitor.expect(new String[] {
"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"
});
}
} ///:~
直接放到当前目录然后java Overloading