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22 changes: 22 additions & 0 deletions pom.xml
Original file line number Diff line number Diff line change
@@ -0,0 +1,22 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>

<groupId>mukhtar.alfatih</groupId>
<artifactId>ReusingClasses</artifactId>
<version>1.0-SNAPSHOT</version>

<dependencies>
<!-- https://mvnrepository.com/artifact/junit/junit -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
</dependency>

</dependencies>


</project>
7 changes: 7 additions & 0 deletions src/main/java/ReusingClasses/App.java
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@@ -0,0 +1,7 @@
package ReusingClasses;

/**
* Created by alfatihmukhtar on 1/18/17.
*/
public class App {
}
39 changes: 39 additions & 0 deletions src/main/java/ReusingClasses/ArrayRotationHandler.java
Original file line number Diff line number Diff line change
@@ -0,0 +1,39 @@
package ReusingClasses;

import java.util.Arrays;

/**
* Created by alfatihmukhtar on 1/18/17.
*/
public class ArrayRotationHandler {
// take in factor "x" to rotate by
// rotate every item in array by "x" places

// create method that takes two arguments (array, k) where k = number of elements to rotate.
public int[] rotateArray(int[] array, int rotation) {
// System.out.print("The initial array is: ");
// for(int i=0; i<array.length; i++) {
// System.out.println(array[i]);
// }
System.out.println(Arrays.toString(array));
int[] valuesLessThanRotationAmount = new int[array.length];
for(int j=0; j<rotation; j++) {
valuesLessThanRotationAmount[j] = array[j];

}
for(int k=rotation;k<array.length;k++) {
array[k-rotation] = array[k];
}
for(int h=0;h<rotation;h++) {
array[array.length-(rotation-h)] = valuesLessThanRotationAmount[h];
}
// System.out.print("The new array is: ");
// for(int i=0; i<array.length; i++) {
// System.out.println(array[i]);
// }
System.out.println(Arrays.toString(array));

return new int[0];
}

}
9 changes: 9 additions & 0 deletions src/main/java/ReusingClasses/List.java
Original file line number Diff line number Diff line change
@@ -0,0 +1,9 @@
package ReusingClasses;

/**
* Created by alfatihmukhtar on 1/18/17.
*/
public class List {
int[] list = {1,2,3,4,5,6,};

}
26 changes: 26 additions & 0 deletions src/test/java/ResusingClassesSpec/ArrayRotationHandlerTest.java
Original file line number Diff line number Diff line change
@@ -0,0 +1,26 @@
package ResusingClassesSpec;

import ReusingClasses.ArrayRotationHandler;
import org.junit.Test;

import java.util.Arrays;

import static org.junit.Assert.assertTrue;

/**
* Created by alfatihmukhtar on 1/18/17.
*/
public class ArrayRotationHandlerTest {
@Test
public void rotateArrayTest() {
ArrayRotationHandler test = new ArrayRotationHandler();
int[] expected = {3,4,5,6,1,2};
int[] inputArray = {1,2,3,4,5,6};
int[] actual = test.rotateArray(inputArray, 2);
System.out.println(expected);


assertTrue(Arrays.equals(expected, actual));

}
}