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OnJava8-Examples/housekeeping/Overloading.java at master · xinan-w/OnJava8-Examples · GitHub
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Overloading.java
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// housekeeping/Overloading.java
// (c)2021 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://OnJava8.com for more book information.
// 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"
);
}
// Calls 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
*/
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