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Java merge and sort lists of integers without using pre-defined functions

May 18, 2018May 18, 2018 Say Leave a comment Java, Programming

In the previous blog post http://www.jijichiz.com/java-merge-sort-integer-arrays-without-using-pre-defined-functions/, we helped George define a function to merge and sort lists of integers. But in this next post, we are now going to help him merge and sort lists of integers. Same problem, he’s got two unordered lists of integers such as below: [2, 3, 1] [2, 5, 5, […]

Java merge and sort integer arrays without using pre-defined functions

May 17, 2018May 18, 2018 Say 1 Comment Java, Programming

George has a problem. He’s got two unordered integer arrays such as below: {2, 3, 1} {2, 5, 5, 8, 9, 13} Now, he wants to merge these two and sort them in ascending order. He is not allowed to use any sort functions to solve this problem. The result should display: [1, 2, 2, […]

Kotlin Integration with Android Studio

October 9, 2017October 9, 2017 Say Leave a comment android, Java

How to Integrate Kotlin with Android Studio Hello guys, I’m back and as usual, I would like to share some programming stuff once again! 😀 At the Google I/O 2017 Google, they announced that Kotlin is now the official programming language of Android. Further information can be found here. Install Kotlin Plugin I am going to […]

Subtraction without using ‘-‘ operator in Java

June 24, 2015October 9, 2017 Say Leave a comment Java

College Basic Programming Activity Hi guys! I’m back and I’m going to share another programming problem and show the solution. Problem: Write a program which subtracts two integers without using minus (-) operator. Solution: Let’s use this algorithm: a – b = a + -1 * b Then, let’s convert to code: public static void […]

Java Factorial Code

September 8, 2014October 9, 2017 Say 1 Comment Java

The factorial function (symbol: !) means to multiply a series of descending natural numbers. Examples: 4! = 4 × 3 × 2 × 1 = 24 7! = 7 × 6 × 5 × 4 × 3 × 2 × 1 = 5040 import java.util.Scanner; public class Factorial { public static void main(String[] args) { […]

Java Print 1000 Hello World Without Loop

September 8, 2014October 9, 2017 Say Leave a comment Java

One of the Java questions I faced is to create a program which prints 1000 Hello World without using loop. So how do we solve this? The solution is to use recursion! public class HelloWorld { public static void main(String[] args) { printThousandHelloWorld(1); } private static void printThousandHelloWorld(int n) { if(n < 1000) { printThousandHelloWorld(n+1); […]

Google’s New UI Design Pattern – Navigation Drawer

January 8, 2014October 9, 2017 Say Leave a comment android, Java

Today I learned something new in Android Development which is Google’s new UI Design Pattern the Navigation Drawer. For more details go to this site and the sample is here

How to install Eclipse Part 1

December 22, 2013June 27, 2014 Say Leave a comment Eclipse, Java, Java IDE, Programming

Hello everybody, today I will teach you how to install Eclipse, at the time of writing the latest version of Eclipse is Kepler. First we have to download Eclipse. Go to Eclipse site here: http://www.eclipse.org/downloads/ Under Package Solutions, choose Eclipse IDE for Java Developers, 151 MB. Note: If your machine is 32 bit choose 32 bit installer. Stay […]