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72 lines (66 loc) · 2.79 KB
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/*
* Copyright (c) 1995, 2008, Oracle and/or its affiliates. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of Oracle or the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package one;
public class Alpha {
//member variables
private int privateVariable = 1;
int packageVariable = 2; //default access
protected int protectedVariable = 3;
public int publicVariable = 4;
//methods
private void privateMethod() {
System.out.format("privateMethod called%n");
}
void packageMethod() { //default access
System.out.format("packageMethod called%n");
}
protected void protectedMethod() {
System.out.format("protectedMethod called%n");
}
public void publicMethod() {
System.out.format("publicMethod called%n");
}
public static void main(String[] args) {
Alpha a = new Alpha();
a.privateMethod(); //legal
a.packageMethod(); //legal
a.protectedMethod(); //legal
a.publicMethod(); //legal
System.out.format("privateVariable: %2d%n",
a.privateVariable); //legal
System.out.format("packageVariable: %2d%n",
a.packageVariable); //legal
System.out.format("protectedVariable: %2d%n",
a.protectedVariable); //legal
System.out.format("publicVariable: %2d%n",
a.publicVariable); //legal
}
}