Add Simple sorting methods in one java program

Program's_Contributed_By_Contributors/Java_Programs/SimpleSortingApp.java

@@ -0,0 +1,112 @@
+package packageDA;
+
+public class SimpleSortingApp {
+
+	public static void main(String[] args) {
+
+		SimpleSorting k = new SimpleSorting(7);
+		k.insert(8);
+		k.insert(7);
+		k.insert(2);
+		k.insert(6);
+		k.display();
+		k.bubbleSort();
+		k.display();
+
+	}
+
+}
+
+class SimpleSorting {
+	 private int[] a;//ref to array a
+	 private int nElems;//number of data items
+	 //------------------------------------------------------
+	 public SimpleSorting(int max) {
+	//constructor
+		 this.a = new int[max];
+		 this.nElems=0;
+	 }
+	 public void insert(int value){
+	//put element into array
+		 if(nElems==a.length) {
+			 System.out.print("Array is full");
+			 return;
+		 }
+		 this.a[this.nElems]=value;
+		 this.nElems++;
+		// System.out.print(value);
+	 }
+	 public void display(){
+	//display array contents
+		 System.out.println("Array content :");
+		 for(int i=0;i<this.nElems;i++) {
+			 System.out.println(this.a[i]);
+		 }
+		 System.out.println();
+
+	 }											// 0, 1, 2, 3, 4, 5
+	 private void swap(int index1, int index2) // [2, 3, 4, 5, 6, 8]
+	 {
+	//swaps array elements in a[index1] and a[index2]
+		 int temp;
+		 temp = a[index1];
+		 a[index1] = a[index2];
+		 a[index2]= temp;
+	 }
+
+//---------------------Bubble sort--------------------------------
+
+	 public void bubbleSort() {
+
+		 for (int i=0;i<nElems-1;i++) {
+			for(int j =0 ; j < (nElems-1)-i ;j++ ) {
+				if (a[j]> a[j+1]) {
+					swap(j, j+1);
+				}
+			}
+		 }
+		 System.out.println("Numbers sorted using Bubble sorting");
+	 }
+
+
+//---------------------Selection sort--------------------------------
+
+	 public void selectionSort() {
+
+		 for(int i =0; i<nElems-1;i++) {
+			 int minIndex = i;
+			 for(int j =i+1; j< nElems;j++) {
+				 if(a[j]< a[minIndex]) {
+					 minIndex =j;
+				 }
+			 }
+			 swap(i,minIndex);
+		 }
+		 System.out.println("Numbers sorted using selection sorting");
+	 }
+
+
+//---------------------Insertion sort--------------------------------
+
+	 public void insertionSort() {
+
+		   for(int i=1;i<nElems;i++){
+		        int key =a[i];
+		        int j = i -1;
+		        while(j>=0){
+		            if(a[j]>key){
+		                a[j+1] = a[j];
+		            } else {
+		                break;
+		            }
+		            j--;
+		        }
+		        a[j+1] = key;
+		    }
+		    System.out.println("Numbers are sorted using insertionSort...");
+
+
+
+
+	 }}   
+