36 lines
1.1 KiB
Java
36 lines
1.1 KiB
Java
public //any class may access this member directly
|
|
|
|
protected //only this class, subclasses of this class,
|
|
//and classes in the same package may access this member directly
|
|
|
|
private //only this class may access this member directly
|
|
|
|
static //for use with other modifiers
|
|
//limits this member to one reference for the entire JVM
|
|
|
|
//adding no modifier (sometimes called "friendly") allows access to the member by classes in the same package
|
|
|
|
// Modifier | Class | Package | Subclass | World
|
|
// ------------|-------|---------|----------|-------
|
|
// public | Y | Y | Y | Y
|
|
// protected | Y | Y | Y | N
|
|
// no modifier | Y | Y | N | N
|
|
// private | Y | N | N | N
|
|
|
|
//method parameters are available inside the entire method
|
|
|
|
//Other declarations follow lexical scoping,
|
|
//being in the scope of the innermost set of braces ({}) to them.
|
|
//You may also create local scopes by surrounding blocks of code with braces.
|
|
|
|
public void function(int x){
|
|
//can use x here
|
|
int y;
|
|
//can use x and y here
|
|
{
|
|
int z;
|
|
//can use x, y, and z here
|
|
}
|
|
//can use x and y here, but NOT z
|
|
}
|