Membuat Interface dari Class Menggunakan NetBeans

Sample.java

/*
 *  Copyright (c) 2011, StripBandunk and/or its affiliates. All rights reserved.
 * 
 *       http://stripbandunk.com/
 * 
 *  STRIPBANDUNK PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */
package khannedy.belajar.belajarjava.netbeans;

/**
 *
 * @author Eko Kurniawan Khannedy
 */
public interface Sample {

    String getNama();

    void hello();

    void sapa(String nama);
    
}

SampleClass.java

/*
 *  Copyright (c) 2011, StripBandunk and/or its affiliates. All rights reserved.
 * 
 *       http://stripbandunk.com/
 * 
 *  STRIPBANDUNK PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */
package khannedy.belajar.belajarjava.netbeans;

/**
 *
 * @author Eko Kurniawan Khannedy
 */
public class SampleClass implements Sample {

    private String nama;

    @Override
    public String getNama() {
        return nama;
    }

    public void setNama(String nama) {
        this.nama = nama;
    }

    @Override
    public void hello() {
        System.out.println("Hello");
    }

    @Override
    public void sapa(String nama) {
        System.out.println("Hello " + nama);
    }
}

SampleClassBefore.java

/*
 *  Copyright (c) 2011, StripBandunk and/or its affiliates. All rights reserved.
 * 
 *       http://stripbandunk.com/
 * 
 *  STRIPBANDUNK PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */
package khannedy.belajar.belajarjava.netbeans;

/**
 *
 * @author Eko Kurniawan Khannedy
 */
public class SampleClass {

    private String nama;

    public String getNama() {
        return nama;
    }

    public void setNama(String nama) {
        this.nama = nama;
    }

    public void hello() {
        System.out.println("Hello");
    }

    public void sapa(String nama) {
        System.out.println("Hello " + nama);
    }
}