Social Networking: Is It Good or Bad?

Social networking atau yang lebih kita kenal dengan jejaring sosial adalah suatu wadah baru bagi manusia untuk berkomunikasi. Begitu banyak social networking yang ada sekarang ini seperti facebook, twitter, google+, myspace, interpals, instagram, youtube. Dalam perkembangannya, social networking ada yang fokus ke bidang tertentu seperti instagram untuk foto dan youtube untuk video. Banyak sekali manfaat

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Multiplication and Division without ‘*’ and ‘/’ in Java

Okay, so I feel challenged to solve this problem. The problem is how to make program that can calculate multiplication and division without using ‘*’ and ‘/’ as usual. This is about algorithm and math of course. At first, I think about multiplication. It can be calculate using increased looping (number 1 is added by

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